added achievement editor for #2304

app/collections/PatchesCollection.coffee

@@ -6,4 +6,5 @@ module.exports = class PatchesCollection extends CocoCollection
 
   initialize: (models, options, forModel, @status='pending') ->
     super(arguments...)
-    @url = "#{forModel.urlRoot}/#{forModel.get('original')}/patches?status=#{@status}"
+    identifier = if not forModel.get('original') then '_id' else 'original'
+    @url = "#{forModel.urlRoot}/#{forModel.get(identifier)}/patches?status=#{@status}"

app/templates/editor/achievement/edit.jade

@@ -23,6 +23,9 @@ block content
 
     #achievement-view.clearfix
 
+    h3(data-i18n="resources.patches") Patches
+    .patches-view
+
     hr
 
   else

app/views/editor/achievement/AchievementEditView.coffee

@@ -3,6 +3,7 @@ template = require 'templates/editor/achievement/edit'
 Achievement = require 'models/Achievement'
 AchievementPopup = require 'views/core/AchievementPopup'
 ConfirmModal = require 'views/editor/modal/ConfirmModal'
+PatchesView = require 'views/editor/PatchesView'
 errors = require 'core/errors'
 app = require 'core/application'
 nodes = require 'views/editor/level/treema_nodes'
@@ -57,6 +58,8 @@ module.exports = class AchievementEditView extends RootView
     super()
     return unless @supermodel.finished()
     @pushChangesToPreview()
+    @patchesView = @insertSubView(new PatchesView(@achievement), @$el.find('.patches-view'))
+    @patchesView.load()
 
   pushChangesToPreview: =>
     return unless @treema