Hippo tries to resolve "https://" in hint fields.

Reproduction path:

1. Create an archetype project
2. add the news feature from essentials
3. after restarting, go to the cms and open in edit mode the news document
4. set the hint for the field Title to http://
   The following warning is being logged :

   [INFO] [talledLocalContainer] 22.12.2015 16:27:13 ERROR http-nio-8080-exec-10 [JcrPluginConfig.getPluginConfig:382] Failed to resolve path http:// relative to node /hippo:namespaces/myhippoproject/newsdocument/editor:templates/_default_/translator/hippostd:translations