Correct typos

[velikanov]

https://github.com/velikanov/SwiftPasscodeLock/blob/master/PasscodeLock/Protocols/PasscodeLockStateType.swift#L18

https://github.com/velikanov/SwiftPasscodeLock/blob/master/PasscodeLock/Protocols/PasscodeLockConfigurationType.swift#L17

maximumInccorectPasscodeAttempts should be maximumIncorrectPasscodeAttempts

https://github.com/velikanov/SwiftPasscodeLock/blob/master/PasscodeLock/PasscodeLockViewController.swift#L228

animatePlacehodlerAtIndex should be animatePlaceholderAtIndex

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unfortunately, fixing this will break backward compatibility in the case when users have created their own States or Configurations (they probably will)

[ziogaschr]

Nice one for v2.0 indeed.
We can create a migration guide for v2.0 then.