Add category property to NSMutableArray to remove first object.
Cleaning up TKMultiSwitch.
Updating podspec file.
Modernizing objective-c.
Removing build warnings.
Add support for playing a caf sound file.
Merge branch 'master' of https://github.com/devinross/tapkulibrary into ios8

Conflicts:
	src/TapkuLibrary/TKMultiSwitch.m