Add remote translations to debates and proposals

Include RemotelyTranslatable concern on commentable actions to detect
remote translations on index and show controllers actions.

app/controllers/concerns/commentable_actions.rb

@@ -3,6 +3,7 @@ module CommentableActions
   include Polymorphic
   include Search
   include DownloadSettingsHelper
+  include RemotelyTranslatable
 
   def index
     @resources = resource_model.all
@@ -23,6 +24,8 @@ module CommentableActions
     set_resource_votes(@resources)
 
     set_resources_instance
+    @remote_translations = detect_remote_translations(@resources, featured_proposals)
+
     respond_to do |format|
       format.html
       format.csv {send_data to_csv(resources_csv, resource_model),
@@ -38,6 +41,7 @@ module CommentableActions
     @comment_tree = CommentTree.new(@commentable, params[:page], @current_order)
     set_comment_flags(@comment_tree.comments)
     set_resource_instance
+    @remote_translations = detect_remote_translations([@resource], @comment_tree.comments)
   end
 
   def new
@@ -132,4 +136,7 @@ module CommentableActions
       end
     end
 
+    def featured_proposals
+      @featured_proposals ||= []
+    end
 end