refactored utils.responseUrl() method and removed doubled slash
added new utils.addTrailingSlash() method and used it in crud methods
fixed iframe source param
CR change: changed order of params of a middleware
CR change: used String.charAt() instead of String.lastIndexOf() because of performance reasons
Merge pull request #178 from Wikia/MOB-2272

MOB-2272 - translations in embedded maps