Translation changes

app/controllers/desktop/co_authors_controller.rb

@@ -37,7 +37,7 @@ class Desktop::CoAuthorsController < ApplicationController
     @co_author.name_id= current_user.id
 
     if @co_author.save
-      render json: {success:true, msg: "Co-author successfully saved!"}.to_json
+      render json: {success:true, msg: t('create.sucess.co_author')}.to_json
     else
       error_msg = @co_author.errors.full_messages.join("<br />")
       render json: {success: false, msg: error_msg}.to_json
@@ -48,7 +48,7 @@ class Desktop::CoAuthorsController < ApplicationController
     @co_author = CoAuthor.find(params[:id])
 
     if @co_author.update_attributes(params[:co_author])
-      render json: {success:true, msg: "Co-author successfully update!"}.to_json
+      render json: {success:true, msg: t('update.sucess.co_author')}.to_json
     else
       error_msg = @co_author.errors.full_messages.join("<br />")
       render json: {success: false, msg: error_msg}.to_json