Added a clear storage button to the campaign editor.

app/lib/surface/Lank.coffee

@@ -103,6 +103,7 @@ module.exports = Lank = class Lank extends CocoClass
 
   setSprite: (newSprite) ->
     if @sprite
+      @sprite.off 'animationend', @playNextAction
       @sprite.destroy?()
       if parent = @sprite.parent
         parent.removeChild @sprite

app/locale/en.coffee

@@ -780,6 +780,7 @@
     level_completion: "Level Completion"
     pop_i18n: "Populate I18N"
     tasks: "Tasks"
+    clear_storage: "Clear your local changes"
 
   article:
     edit_btn_preview: "Preview"

app/styles/play/campaign-view.sass

@@ -427,8 +427,7 @@ $gameControlMargin: 30px
         &.sorcerer
           background-position: (-12 * $spriteSheetSize) 0
 
-
-  #volume-button
+  .campaign-control-button
     position: absolute
     right: 1%
     top: 1%
@@ -439,9 +438,12 @@ $gameControlMargin: 30px
       @include opacity(1.0)
 
     .glyphicon
-      display: none
       font-size: 32px
 
+  #volume-button
+    .glyphicon
+      display: none
+
     &.vol-up .glyphicon.glyphicon-volume-up
       display: inline-block
 
@@ -454,20 +456,11 @@ $gameControlMargin: 30px
     &.vol-down .glyphicon.glyphicon-volume-down
       display: inline-block
 
-  #back-button
+  #back-button, #clear-storage-button
     position: absolute
     right: 70px
     right: -webkit-calc(1% + 55px)
     right: calc(1% + 55px)
-    top: 1%
-    padding: 3px 8px
-    @include opacity(0.75)
-
-    &:hover
-      @include opacity(1.0)
-
-    .glyphicon
-      font-size: 32px
 
   #campaign-status
     position: absolute

app/templates/play/campaign-view.jade

@@ -107,15 +107,19 @@ else
         button.btn.btn-illustrated.btn-primary(data-i18n="nav.contact", data-toggle="coco-modal", data-target="core/ContactModal") Contact
 
 
-button.btn.btn-lg.btn-inverse#volume-button(data-i18n="[title]play.adjust_volume", title="Adjust volume")
+button.btn.btn-lg.btn-inverse.campaign-control-button#volume-button(data-i18n="[title]play.adjust_volume", title="Adjust volume")
   .glyphicon.glyphicon-volume-off
   .glyphicon.glyphicon-volume-down
   .glyphicon.glyphicon-volume-up
 
-if campaign
-  button.btn.btn-lg.btn-inverse#back-button(data-i18n="[title]resources.campaigns", title="Campaigns")
+if campaign && !editorMode
+  button.btn.btn-lg.btn-inverse.campaign-control-button#back-button(data-i18n="[title]resources.campaigns", title="Campaigns")
     .glyphicon.glyphicon-globe
 
+if editorMode
+  button.btn.btn-lg.btn-inverse.campaign-control-button#clear-storage-button(data-i18n="[title]editor.clear_storage", title="Clear your local changes")
+    .glyphicon.glyphicon-refresh
+
 if campaign && campaign.loaded
   h1#campaign-status
     .campaign-status-background

app/views/play/CampaignView.coffee

@@ -48,6 +48,7 @@ module.exports = class CampaignView extends RootView
     'click .level-info-container .view-solutions': 'onClickViewSolutions'
     'click #volume-button': 'onToggleVolume'
     'click #back-button': 'onClickBack'
+    'click #clear-storage-button': 'onClickClearStorage'
     'click .portal .campaign': 'onClickPortalCampaign'
     'mouseenter .portals': 'onMouseEnterPortals'
     'mouseleave .portals': 'onMouseLeavePortals'
@@ -531,6 +532,15 @@ module.exports = class CampaignView extends RootView
       viewClass: CampaignView
       viewArgs: [{supermodel: @supermodel}]
 
+  onClickClearStorage: (e) ->
+    localStorage.clear()
+    noty {
+      text: 'Local storage cleared. Reload to view the original campaign.'
+      layout: 'topCenter'
+      timeout: 5000
+      type: 'information'
+    }
+
   updateHero: ->
     return unless hero = me.get('heroConfig')?.thangType
     for slug, original of ThangType.heroes when original is hero