Up refresh interval to 2 secs
Android port is a static library
Shared Android makefile uses the platform specific code as a static library

 * Resolve conflicts with latest cocos2x/Android.mk
 * Revert changes to cocos2dx/Android.mk introduced by 71a2cb729264a7a90b74517be2a2745a50a5a977
 * Update files in label_nodes
ccx : add nativeactivity
ccx : Link libraries used by nativeactivity.c
simplegame : no java, Create empty src/ directory with a nojava.txt file
simplegame : enable building native library for x86
simplegame : Use nativeactivity
simplegame : Use cocos2dxandroid static library
ccx : Change minimum config to RGB565. Add depth buffer and stencil buffer requirements to EGL config.
ccx : Call cocos rendering methods.
 * switch to .cpp for nativeactivity.
 * ccx : update log tags to say .ccp instead of .c
ccx : Remove Cocos2dxRenderer
ccx : Cocos2dxActivity extends NativeActivity
simplegame : Use Cocos2dxActivity (which is also a NativeActivity.)
ccx : remove/comment filesystem access methods from Java
ccx : Trace rendering
simplegame : NDK GDB debugging script
simplegame : Fix build script to process input elements as an array
simplegame : add option to build script to build in debug mode
ccx : Trace accelerometer only when tracing rendering