fix #12
mute compiler warrnings (unavailable methods)
fix compiler warrnings
update podspec
Merge branch 'master' into HEAD

Conflicts:
	ActionSheetPicker-3.0.podspec
	Pickers/AbstractActionSheetPicker.m
	README.md
Merge commit '9d29a14'
Update podspec to version 1.1.4
Modern syntax + fix casts
cast
xcode format fixes
fix all xcode warnings
fix warning
Crash when put non-nil object in array (AbstractActionSheetPicker.m#307)
move init buttons back
fix #22
Merge branch '#22'
Update podspec to version 1.1.5
fix readme code
Merge pull request #26 from abeyuya/fix-readme

fix readme code
fix #16