Bumped version 0.7.0

Bugfixes

AFNetworking support

Fixed missing unregister from NSNotificationCenter in MRNavigationBar…

…ProgressView

Bumped version to 0.5.0

Bug fixing all the components

Fixed issue for new behavior since iOS 7.1

Fixed MRProgress.h file for CocoaPods with subspecs

Sliced into little subspecs

Bug fix