Support iPad. Add Simplified Chinese localization.

2.1

Support iPad.

2.0.3

Moved 'Sleep' button to bottom bar. Added 'Unlock' button to bottom bar.

2.0

Support in-app purchase for the following new features.

• Allow users to put their Mac to sleep mode using 'Sleep' button.
• Allow users to skip touch ID verification by turning off 'Require Touch ID' option.

Bug fix

Support Swift 3. Fix an issue about showing 'Failed to unlock Mac' even when unlock is successful.