Refactored plugins into Scaffold controller

Refactored code of the plugins Detach and Attach into the Scaffold
controller.
Gestalt now uses attach and detach for limb sub beans
No borders on last fieldset of a .tab fieldset
Added some raw preview and textile hint to media
Merge branch 'master' into wobb
Pricing handles margin with detach and attach
Added converter for tare
Fixed pubdate issue with Chrome