vmu :)

Conflicts:
	shell/android/jni/src/Android.cpp
	shell/android/src/com/reicast/emulator/emu/GL2JNIActivity.java
	shell/android/src/com/reicast/emulator/emu/JNIdc.java
Merge pull request #270 from hooby3dfx/vmu_support

on screen vmu :)