Update README.md
NBUActionSheet: Fix weird bug where an action sheet with many options would have both the cancel and first option indexes equal to zero

http://stackoverflow.com/questions/5174486/problems-with-cancel-button-and-uiactionsheet
Bump version
Update Demo project
Merge branch 'refs/heads/development'

Conflicts:
	Demo/NBUCoreDemo/NBUCoreDemo-Info.plist
	Demo/Podfile
	Demo/Podfile.lock
	Demo/Pods/Local Podspecs/NBUCore.podspec
	Demo/Pods/Manifest.lock
	Demo/Pods/Pods-environment.h
	Demo/Pods/Pods.xcodeproj/project.pbxproj
	NBUCore.podspec
	README.md