Updated License
Updated button styler method name to addStyle:forButton: and fixed spelling error
Updated PasscodeButton enum to PasscodeButtonType
Moved default passcode button style implementation to initializer, renamed PasscodeStyle to PasscodeButtonStyle
Adding pod files
Fixed initializer error for PasscodeCircularButton
Renamed PasscodeManager class name to PasscodeCoordinator
Changed section configuration for the settings view controller
Removed references to error label in PasscodeViewController
Code style fixes
Code style fixes
Code style fixes