Major update

This update brings

• New runtime color correction
• ROM change button to Android app
• Improved timing accuracy
• Fix timer on double speed mode
• Automated ROM test support
• 16x8 sprite fix
• Horizontal scrolling fix
• Fix dialog crash on Android
• Optimizations
• H-Blank DMA
• Some API improvements
• Misc cleanup

Color support

Support Gameboy Color games

Minor tool version updates

2.3

Add Android build to .travis.yml.

2.2

Android port.