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diff --git a/static/js/sweet-alert.js b/static/js/sweet-alert.js
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+// SweetAlert
+// 2014 (c) - Tristan Edwards
+// github.com/t4t5/sweetalert
+(function(window, document) {
+
+  var modalClass   = '.sweet-alert',
+      overlayClass = '.sweet-overlay',
+      alertTypes   = ['error', 'warning', 'info', 'success'],
+      defaultParams = {
+        title: '',
+        text: '',
+        type: null,
+        allowOutsideClick: false,
+        showCancelButton: false,
+        closeOnConfirm: true,
+        closeOnCancel: true,
+        confirmButtonText: 'OK',
+        confirmButtonClass: 'btn-primary',
+        cancelButtonText: 'Cancel',
+        cancelButtonClass: 'btn-default',
+        containerClass: '',
+        titleClass: '',
+        textClass: '',
+        imageUrl: null,
+        imageSize: null,
+        timer: null
+      };
+
+
+  /*
+   * Manipulate DOM
+   */
+
+  var getModal = function() {
+      return document.querySelector(modalClass);
+    },
+    getOverlay = function() {
+      return document.querySelector(overlayClass);
+    },
+    hasClass = function(elem, className) {
+      return new RegExp(' ' + className + ' ').test(' ' + elem.className + ' ');
+    },
+    addClass = function(elem, className) {
+      if (className && !hasClass(elem, className)) {
+        elem.className += ' ' + className;
+      }
+    },
+    removeClass = function(elem, className) {
+      var newClass = ' ' + elem.className.replace(/[\t\r\n]/g, ' ') + ' ';
+      if (hasClass(elem, className)) {
+        while (newClass.indexOf(' ' + className + ' ') >= 0) {
+          newClass = newClass.replace(' ' + className + ' ', ' ');
+        }
+        elem.className = newClass.replace(/^\s+|\s+$/g, '');
+      }
+    },
+    escapeHtml = function(str) {
+      var div = document.createElement('div');
+      div.appendChild(document.createTextNode(str));
+      return div.innerHTML;
+    },
+    _show = function(elem) {
+      elem.style.opacity = '';
+      elem.style.display = 'block';
+    },
+    show = function(elems) {
+      if (elems && !elems.length) {
+        return _show(elems);
+      }
+      for (var i = 0; i < elems.length; ++i) {
+        _show(elems[i]);
+      }
+    },
+    _hide = function(elem) {
+      elem.style.opacity = '';
+      elem.style.display = 'none';
+    },
+    hide = function(elems) {
+      if (elems && !elems.length) {
+        return _hide(elems);
+      }
+      for (var i = 0; i < elems.length; ++i) {
+        _hide(elems[i]);
+      }
+    },
+    isDescendant = function(parent, child) {
+      var node = child.parentNode;
+      while (node !== null) {
+        if (node === parent) {
+          return true;
+        }
+        node = node.parentNode;
+      }
+      return false;
+    },
+    getTopMargin = function(elem) {
+      elem.style.left = '-9999px';
+      elem.style.display = 'block';
+
+      var height = elem.clientHeight;
+      var padding = parseInt(getComputedStyle(elem).getPropertyValue('padding'), 10);
+
+      elem.style.left = '';
+      elem.style.display = 'none';
+      return ('-' + parseInt(height / 2 + padding) + 'px');
+    },
+    fadeIn = function(elem, interval) {
+      if(+elem.style.opacity < 1) {
+        interval = interval || 16;
+        elem.style.opacity = 0;
+        elem.style.display = 'block';
+        var last = +new Date();
+        var tick = function() {
+          elem.style.opacity = +elem.style.opacity + (new Date() - last) / 100;
+          last = +new Date();
+
+          if (+elem.style.opacity < 1) {
+            setTimeout(tick, interval);
+          }
+        };
+        tick();
+      }
+    },
+    fadeOut = function(elem, interval) {
+      interval = interval || 16;
+      elem.style.opacity = 1;
+      var last = +new Date();
+      var tick = function() {
+        elem.style.opacity = +elem.style.opacity - (new Date() - last) / 100;
+        last = +new Date();
+
+        if (+elem.style.opacity > 0) {
+          setTimeout(tick, interval);
+        } else {
+          elem.style.display = 'none';
+        }
+      };
+      tick();
+    },
+    fireClick = function(node) {
+      // Taken from http://www.nonobtrusive.com/2011/11/29/programatically-fire-crossbrowser-click-event-with-javascript/
+      // Then fixed for today's Chrome browser.
+      if (MouseEvent) {
+        // Up-to-date approach
+        var mevt = new MouseEvent('click', {
+          view: window,
+          bubbles: false,
+          cancelable: true
+        });
+        node.dispatchEvent(mevt);
+      } else if ( document.createEvent ) {
+        // Fallback
+        var evt = document.createEvent('MouseEvents');
+        evt.initEvent('click', false, false);
+        node.dispatchEvent(evt);
+      } else if( document.createEventObject ) {
+        node.fireEvent('onclick') ;
+      } else if (typeof node.onclick === 'function' ) {
+        node.onclick();
+      }
+    },
+    stopEventPropagation = function(e) {
+      // In particular, make sure the space bar doesn't scroll the main window.
+      if (typeof e.stopPropagation === 'function') {
+        e.stopPropagation();
+        e.preventDefault();
+      } else if (window.event && window.event.hasOwnProperty('cancelBubble')) {
+        window.event.cancelBubble = true;
+      }
+    };
+
+  // Remember state in cases where opening and handling a modal will fiddle with it.
+  var previousActiveElement,
+      previousDocumentClick,
+      previousWindowKeyDown,
+      lastFocusedButton;
+
+  /*
+   * Add modal + overlay to DOM
+   */
+
+  window.sweetAlertInitialize = function() {
+    var sweetHTML = '<div class="sweet-overlay" tabIndex="-1"></div><div class="sweet-alert" tabIndex="-1"><div class="icon error"><span class="x-mark"><span class="line left"></span><span class="line right"></span></span></div><div class="icon warning"> <span class="body"></span> <span class="dot"></span> </div> <div class="icon info"></div> <div class="icon success"> <span class="line tip"></span> <span class="line long"></span> <div class="placeholder"></div> <div class="fix"></div> </div> <div class="icon custom"></div> <h2>Title</h2><p class="lead text-muted">Text</p><p><button class="cancel btn btn-lg" tabIndex="2">Cancel</button> <button class="confirm btn btn-lg" tabIndex="1">OK</button></p></div>',
+        sweetWrap = document.createElement('div');
+
+    sweetWrap.innerHTML = sweetHTML;
+
+    // For readability: check sweet-alert.html
+    document.body.appendChild(sweetWrap);
+
+    // For development use only!
+    /*jQuery.ajax({
+      url: '../lib/sweet-alert.html', // Change path depending on file location
+      dataType: 'html'
+    })
+    .done(function(html) {
+      jQuery('body').append(html);
+    });*/
+  }
+
+  /*
+   * Global sweetAlert function
+   */
+
+  window.sweetAlert = window.swal = function() {
+    if (arguments[0] === undefined) {
+      window.console.error('sweetAlert expects at least 1 attribute!');
+      return false;
+    }
+
+    var params = extend({}, defaultParams);
+
+    switch (typeof arguments[0]) {
+
+      case 'string':
+        params.title = arguments[0];
+        params.text  = arguments[1] || '';
+        params.type  = arguments[2] || '';
+
+        break;
+
+      case 'object':
+        if (arguments[0].title === undefined) {
+          window.console.error('Missing "title" argument!');
+          return false;
+        }
+
+        params.title              = arguments[0].title;
+        params.text               = arguments[0].text || defaultParams.text;
+        params.type               = arguments[0].type || defaultParams.type;
+        params.allowOutsideClick  = arguments[0].allowOutsideClick || defaultParams.allowOutsideClick;
+        params.showCancelButton   = arguments[0].showCancelButton !== undefined ? arguments[0].showCancelButton : defaultParams.showCancelButton;
+        params.closeOnConfirm     = arguments[0].closeOnConfirm !== undefined ? arguments[0].closeOnConfirm : defaultParams.closeOnConfirm;
+        params.closeOnCancel      = arguments[0].closeOnCancel !== undefined ? arguments[0].closeOnCancel : defaultParams.closeOnCancel;
+        params.timer              = arguments[0].timer || defaultParams.timer;
+
+        // Show "Confirm" instead of "OK" if cancel button is visible
+        params.confirmButtonText  = (defaultParams.showCancelButton) ? 'Confirm' : defaultParams.confirmButtonText;
+        params.confirmButtonText  = arguments[0].confirmButtonText || defaultParams.confirmButtonText;
+        params.confirmButtonClass = arguments[0].confirmButtonClass || defaultParams.confirmButtonClass;
+        params.cancelButtonText   = arguments[0].cancelButtonText || defaultParams.cancelButtonText;
+        params.cancelButtonClass  = arguments[0].cancelButtonClass || defaultParams.cancelButtonClass;
+        params.containerClass     = arguments[0].containerClass || defaultParams.containerClass;
+        params.titleClass         = arguments[0].titleClass || defaultParams.titleClass;
+        params.textClass          = arguments[0].textClass || defaultParams.textClass;
+        params.imageUrl           = arguments[0].imageUrl || defaultParams.imageUrl;
+        params.imageSize          = arguments[0].imageSize || defaultParams.imageSize;
+        params.doneFunction       = arguments[1] || null;
+
+        break;
+
+      default:
+        window.console.error('Unexpected type of argument! Expected "string" or "object", got ' + typeof arguments[0]);
+        return false;
+
+    }
+
+    setParameters(params);
+    fixVerticalPosition();
+    openModal();
+
+
+    // Modal interactions
+    var modal = getModal();
+
+    // Mouse interactions
+    var onButtonEvent = function(e) {
+
+      var target = e.target || e.srcElement,
+          targetedConfirm    = (target.className.indexOf('confirm') > -1),
+          modalIsVisible     = hasClass(modal, 'visible'),
+          doneFunctionExists = (params.doneFunction && modal.getAttribute('data-has-done-function') === 'true');
+
+      switch (e.type) {
+        case ("click"):
+          if (targetedConfirm && doneFunctionExists && modalIsVisible) { // Clicked "confirm"
+
+            params.doneFunction(true);
+
+            if (params.closeOnConfirm) {
+              closeModal();
+            }
+          } else if (doneFunctionExists && modalIsVisible) { // Clicked "cancel"
+
+            // Check if callback function expects a parameter (to track cancel actions)
+            var functionAsStr          = String(params.doneFunction).replace(/\s/g, '');
+            var functionHandlesCancel  = functionAsStr.substring(0, 9) === "function(" && functionAsStr.substring(9, 10) !== ")";
+
+            if (functionHandlesCancel) {
+              params.doneFunction(false);
+            }
+
+            if (params.closeOnCancel) {
+              closeModal();
+            }
+          } else {
+            closeModal();
+          }
+
+          break;
+      }
+    };
+
+    var $buttons = modal.querySelectorAll('button');
+    for (var i = 0; i < $buttons.length; i++) {
+      $buttons[i].onclick     = onButtonEvent;
+    }
+
+    // Remember the current document.onclick event.
+    previousDocumentClick = document.onclick;
+    document.onclick = function(e) {
+      var target = e.target || e.srcElement;
+
+      var clickedOnModal = (modal === target),
+          clickedOnModalChild = isDescendant(modal, e.target),
+          modalIsVisible = hasClass(modal, 'visible'),
+          outsideClickIsAllowed = modal.getAttribute('data-allow-ouside-click') === 'true';
+
+      if (!clickedOnModal && !clickedOnModalChild && modalIsVisible && outsideClickIsAllowed) {
+        closeModal();
+      }
+    };
+
+
+    // Keyboard interactions
+    var $okButton = modal.querySelector('button.confirm'),
+        $cancelButton = modal.querySelector('button.cancel'),
+        $modalButtons = modal.querySelectorAll('button:not([type=hidden])');
+
+
+    function handleKeyDown(e) {
+      var keyCode = e.keyCode || e.which;
+
+      if ([9,13,32,27].indexOf(keyCode) === -1) {
+        // Don't do work on keys we don't care about.
+        return;
+      }
+
+      var $targetElement = e.target || e.srcElement;
+
+      var btnIndex = -1; // Find the button - note, this is a nodelist, not an array.
+      for (var i = 0; i < $modalButtons.length; i++) {
+        if ($targetElement === $modalButtons[i]) {
+          btnIndex = i;
+          break;
+        }
+      }
+
+      if (keyCode === 9) {
+        // TAB
+        if (btnIndex === -1) {
+          // No button focused. Jump to the confirm button.
+          $targetElement = $okButton;
+        } else {
+          // Cycle to the next button
+          if (btnIndex === $modalButtons.length - 1) {
+            $targetElement = $modalButtons[0];
+          } else {
+            $targetElement = $modalButtons[btnIndex + 1];
+          }
+        }
+
+        stopEventPropagation(e);
+        $targetElement.focus();
+
+      } else {
+        if (keyCode === 13 || keyCode === 32) {
+            if (btnIndex === -1) {
+              // ENTER/SPACE clicked outside of a button.
+              $targetElement = $okButton;
+            } else {
+              // Do nothing - let the browser handle it.
+              $targetElement = undefined;
+            }
+        } else if (keyCode === 27 && !($cancelButton.hidden || $cancelButton.style.display === 'none')) {
+          // ESC to cancel only if there's a cancel button displayed (like the alert() window).
+          $targetElement = $cancelButton;
+        } else {
+          // Fallback - let the browser handle it.
+          $targetElement = undefined;
+        }
+
+        if ($targetElement !== undefined) {
+          fireClick($targetElement, e);
+        }
+      }
+    }
+
+    previousWindowKeyDown = window.onkeydown;
+    window.onkeydown = handleKeyDown;
+
+    function handleOnBlur(e) {
+      var $targetElement = e.target || e.srcElement,
+          $focusElement = e.relatedTarget,
+          modalIsVisible = hasClass(modal, 'visible');
+
+      if (modalIsVisible) {
+        var btnIndex = -1; // Find the button - note, this is a nodelist, not an array.
+
+        if ($focusElement !== null) {
+          // If we picked something in the DOM to focus to, let's see if it was a button.
+          for (var i = 0; i < $modalButtons.length; i++) {
+            if ($focusElement === $modalButtons[i]) {
+              btnIndex = i;
+              break;
+            }
+          }
+
+          if (btnIndex === -1) {
+            // Something in the dom, but not a visible button. Focus back on the button.
+            $targetElement.focus();
+          }
+        } else {
+          // Exiting the DOM (e.g. clicked in the URL bar);
+          lastFocusedButton = $targetElement;
+        }
+      }
+    }
+
+    $okButton.onblur = handleOnBlur;
+    $cancelButton.onblur = handleOnBlur;
+
+    window.onfocus = function() {
+      // When the user has focused away and focused back from the whole window.
+      window.setTimeout(function() {
+        // Put in a timeout to jump out of the event sequence. Calling focus() in the event
+        // sequence confuses things.
+        if (lastFocusedButton !== undefined) {
+          lastFocusedButton.focus();
+          lastFocusedButton = undefined;
+        }
+      }, 0);
+    };
+  };
+
+  /**
+   * Set default params for each popup
+   * @param {Object} userParams
+   */
+  window.swal.setDefaults = function(userParams) {
+    if (!userParams) {
+      throw new Error('userParams is required');
+    }
+    if (typeof userParams !== 'object') {
+      throw new Error('userParams has to be a object');
+    }
+
+    extend(defaultParams, userParams);
+  };
+
+  /*
+   * Set type, text and actions on modal
+   */
+
+  function setParameters(params) {
+    var modal = getModal();
+
+    var $title = modal.querySelector('h2'),
+        $text = modal.querySelector('p'),
+        $cancelBtn = modal.querySelector('button.cancel'),
+        $confirmBtn = modal.querySelector('button.confirm');
+
+    // Title
+    $title.innerHTML = escapeHtml(params.title).split("\n").join("<br>");
+
+    // Text
+    $text.innerHTML = escapeHtml(params.text || '').split("\n").join("<br>");
+    if (params.text) {
+      show($text);
+    }
+
+    // Icon
+    hide(modal.querySelectorAll('.icon'));
+    if (params.type) {
+      var validType = false;
+      for (var i = 0; i < alertTypes.length; i++) {
+        if (params.type === alertTypes[i]) {
+          validType = true;
+          break;
+        }
+      }
+      if (!validType) {
+        window.console.error('Unknown alert type: ' + params.type);
+        return false;
+      }
+      var $icon = modal.querySelector('.icon.' + params.type);
+      show($icon);
+
+      // Animate icon
+      switch (params.type) {
+        case "success":
+          addClass($icon, 'animate');
+          addClass($icon.querySelector('.tip'), 'animateSuccessTip');
+          addClass($icon.querySelector('.long'), 'animateSuccessLong');
+          break;
+        case "error":
+          addClass($icon, 'animateErrorIcon');
+          addClass($icon.querySelector('.x-mark'), 'animateXMark');
+          break;
+        case "warning":
+          addClass($icon, 'pulseWarning');
+          addClass($icon.querySelector('.body'), 'pulseWarningIns');
+          addClass($icon.querySelector('.dot'), 'pulseWarningIns');
+          break;
+      }
+
+    }
+
+    // Custom image
+    if (params.imageUrl) {
+      var $customIcon = modal.querySelector('.icon.custom');
+
+      $customIcon.style.backgroundImage = 'url(' + params.imageUrl + ')';
+      show($customIcon);
+
+      var _imgWidth  = 80,
+          _imgHeight = 80;
+
+      if (params.imageSize) {
+        var imgWidth  = params.imageSize.split('x')[0];
+        var imgHeight = params.imageSize.split('x')[1];
+
+        if (!imgWidth || !imgHeight) {
+          window.console.error("Parameter imageSize expects value with format WIDTHxHEIGHT, got " + params.imageSize);
+        } else {
+          _imgWidth  = imgWidth;
+          _imgHeight = imgHeight;
+
+          $customIcon.css({
+            'width': imgWidth + 'px',
+            'height': imgHeight + 'px'
+          });
+        }
+      }
+      $customIcon.setAttribute('style', $customIcon.getAttribute('style') + 'width:' + _imgWidth + 'px; height:' + _imgHeight + 'px');
+    }
+
+    // Cancel button
+    modal.setAttribute('data-has-cancel-button', params.showCancelButton);
+    if (params.showCancelButton) {
+      $cancelBtn.style.display = 'inline-block';
+    } else {
+      hide($cancelBtn);
+    }
+
+    // Edit text on cancel and confirm buttons
+    if (params.cancelButtonText) {
+      $cancelBtn.innerHTML = escapeHtml(params.cancelButtonText);
+    }
+    if (params.confirmButtonText) {
+      $confirmBtn.innerHTML = escapeHtml(params.confirmButtonText);
+    }
+
+    // Reset confirm buttons to default class (Ugly fix)
+    $confirmBtn.className = 'confirm btn btn-lg'
+
+    // Attach selected class to the sweet alert modal
+    addClass(modal, params.containerClass);
+
+    // Set confirm button to selected class
+    addClass($confirmBtn, params.confirmButtonClass);
+
+    // Set cancel button to selected class
+    addClass($cancelBtn, params.cancelButtonClass);
+
+    // Set title to selected class
+    addClass($title, params.titleClass);
+
+    // Set text to selected class
+    addClass($text, params.textClass);
+
+    // Allow outside click?
+    modal.setAttribute('data-allow-ouside-click', params.allowOutsideClick);
+
+    // Done-function
+    var hasDoneFunction = (params.doneFunction) ? true : false;
+    modal.setAttribute('data-has-done-function', hasDoneFunction);
+
+    // Close timer
+    modal.setAttribute('data-timer', params.timer);
+  }
+
+
+  /*
+   * Set hover, active and focus-states for buttons (source: http://www.sitepoint.com/javascript-generate-lighter-darker-color)
+   */
+
+  function colorLuminance(hex, lum) {
+    // Validate hex string
+    hex = String(hex).replace(/[^0-9a-f]/gi, '');
+    if (hex.length < 6) {
+      hex = hex[0]+hex[0]+hex[1]+hex[1]+hex[2]+hex[2];
+    }
+    lum = lum || 0;
+
+    // Convert to decimal and change luminosity
+    var rgb = "#", c, i;
+    for (i = 0; i < 3; i++) {
+      c = parseInt(hex.substr(i*2,2), 16);
+      c = Math.round(Math.min(Math.max(0, c + (c * lum)), 255)).toString(16);
+      rgb += ("00"+c).substr(c.length);
+    }
+
+    return rgb;
+  }
+
+  function extend(a, b){
+    for (var key in b) {
+      if (b.hasOwnProperty(key)) {
+        a[key] = b[key];
+      }
+    }
+
+    return a;
+  }
+
+  function hexToRgb(hex) {
+    var result = /^#?([a-f\d]{2})([a-f\d]{2})([a-f\d]{2})$/i.exec(hex);
+    return result ? parseInt(result[1], 16) + ', ' + parseInt(result[2], 16) + ', ' + parseInt(result[3], 16) : null;
+  }
+
+  // Add box-shadow style to button (depending on its chosen bg-color)
+  function setFocusStyle($button, bgColor) {
+    var rgbColor = hexToRgb(bgColor);
+    $button.style.boxShadow = '0 0 2px rgba(' + rgbColor +', 0.8), inset 0 0 0 1px rgba(0, 0, 0, 0.05)';
+  }
+
+
+  /*
+   * Animations
+   */
+
+  function openModal() {
+    var modal = getModal();
+    fadeIn(getOverlay(), 10);
+    show(modal);
+    addClass(modal, 'showSweetAlert');
+    removeClass(modal, 'hideSweetAlert');
+
+    previousActiveElement = document.activeElement;
+    var $okButton = modal.querySelector('button.confirm');
+    $okButton.focus();
+
+    setTimeout(function() {
+      addClass(modal, 'visible');
+    }, 500);
+
+    var timer = modal.getAttribute('data-timer');
+    if (timer !== "null" && timer !== "") {
+      setTimeout(function() {
+        closeModal();
+      }, timer);
+    }
+  }
+
+  function closeModal() {
+    var modal = getModal();
+    fadeOut(getOverlay(), 5);
+    fadeOut(modal, 5);
+    removeClass(modal, 'showSweetAlert');
+    addClass(modal, 'hideSweetAlert');
+    removeClass(modal, 'visible');
+
+
+    // Reset icon animations
+
+    var $successIcon = modal.querySelector('.icon.success');
+    removeClass($successIcon, 'animate');
+    removeClass($successIcon.querySelector('.tip'), 'animateSuccessTip');
+    removeClass($successIcon.querySelector('.long'), 'animateSuccessLong');
+
+    var $errorIcon = modal.querySelector('.icon.error');
+    removeClass($errorIcon, 'animateErrorIcon');
+    removeClass($errorIcon.querySelector('.x-mark'), 'animateXMark');
+
+    var $warningIcon = modal.querySelector('.icon.warning');
+    removeClass($warningIcon, 'pulseWarning');
+    removeClass($warningIcon.querySelector('.body'), 'pulseWarningIns');
+    removeClass($warningIcon.querySelector('.dot'), 'pulseWarningIns');
+
+
+    // Reset the page to its previous state
+    window.onkeydown = previousWindowKeyDown;
+    document.onclick = previousDocumentClick;
+    if (previousActiveElement) {
+      previousActiveElement.focus();
+    }
+    lastFocusedButton = undefined;
+  }
+
+
+  /*
+   * Set "margin-top"-property on modal based on its computed height
+   */
+
+  function fixVerticalPosition() {
+    var modal = getModal();
+    modal.style.marginTop = getTopMargin(getModal());
+  }
+
+
+  /*
+   * If library is injected after page has loaded
+   */
+
+  (function () {
+    if (document.readyState === "complete" || document.readyState === "interactive" && document.body) {
+      sweetAlertInitialize();
+    } else {
+      if (document.addEventListener) {
+        document.addEventListener('DOMContentLoaded', function factorial() {
+          document.removeEventListener('DOMContentLoaded', arguments.callee, false);
+          sweetAlertInitialize();
+        }, false);
+      } else if (document.attachEvent) {
+        document.attachEvent('onreadystatechange', function() {
+          if (document.readyState === 'complete') {
+            document.detachEvent('onreadystatechange', arguments.callee);
+            sweetAlertInitialize();
+          }
+        });
+      }
+    }
+  })();
+
+})(window, document);