Kamehameha

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• Added new sounds for the Kamehameha (quick casts).
• Improved the UI a lot.
• Added a proximity sensor detector for dummy users :)
• Simplified tutorial message.

The app has been tested on 3 devices: Motorola Moto G (Android 5.0), Samsung Galaxy S2 (Android 4.0) and Samsung Galaxy Ace (Android 2.3.4).