Loadex/MessageBanner — pull request #4 by williamsjj (2014-07-31 00:06:15+00:00)
Title: Cast NSJSONSerialization return so messageBannerDesign actually returns ...

...a mutable dictionary.

Fixes crash caused in addMessageBannerDesignFromFileNamed by
addEntriesFromDictionary being called on a non-mutable dictionary.