Added NSObject-ObjectMap and NSObject-ObjectIO podspecs
Merge pull request #3311 from bennyguitar/master

Added NSObject-ObjectMap and NSObject-ObjectIO podspecs
Add Overline(-BlocksKit) 0.2.1
Fix Overline-BlockKit summary
[Update] ErnKit (0.0.7)
[Update] ErnKit (0.0.8)