Support module prefixing of locale resources

In preparation for upcoming changes, allow locale resources to have a module prefix added when they are loaded from a file.

src/Http/WebApp/AbstractWebApp.php

@@ -95,7 +95,7 @@ abstract class AbstractWebApp
      */
     protected function getTranslationFilter()
     {
-        return '/^[^\.]+\.(?:'.$this->getName().'|lib)\./';
+        return '/^.+(?:\.|::)(?:'.$this->getName().'|lib)\./';
     }
 
     /**