- adding multitouch support for android.
- restore payload for android native (until multitouch management for this platform)
- fix some variables prefix (android multitouch part)
- remove android global pointer from orxModule.c
- fix bug in mouse driver for android (copy/paste mistake ... mouse coord was X / X instead of X / Y)
- modify nvidia framework to support real multitouch (for now, limited to 4 touch, easy to increase).
- the android version is now compiling / running fine.
- 2 new fx type added: volume and pitch (apply to all sounds of an object)