Pull request merged
misc

Fixed RHCoreDataTableViewController to reload content after dimissing
search.
Added code to lookup modelName in the mainBundle.
Fix for issue #3.

ManagedObjectContexts are now stored in the threadDictionary to improve
the MOC lifecycle.
Fixed merging on main context.
v0.8.9

Fixed silly error introduced with v0.8.8
Added documentation for Lightweight Migration
Added RHCoreDataTableViewController to readme
docs
docs
docs
docs
docs