Android Mode 0260

Version 4.0-beta7 of the Android mode

Compatible with Processing 3.1+

VR fixes and improvements

• Renamed Cardboard as VR: a04854c
• Added drawAim example: 7d9fb56
• Updated to GVR SDK 1.40.0: 17bd90f
• Fixed permission request for VR: #319
• Fixed normal orientation issues, lighting should work as expected now: b431c0c

Other fixes:

• Implemented external handling: 354cb0a