JPCSP v0.6 revision 1877

* JPCSP v0.6 r1877:
o Updated Simplified Chinese (PRC) translation and added Traditional Chinese (TW) translation (all by Darksoviet).
o Implemented EXIT and POWER callbacks' handling.
o Improved sceKernelExitGame.
o Improved sceKernelReleaseWaitThread.
o Improved several callback management functions in ThreadManForUser:
+ Fixed sceKernelNotifyCallback;
+ Improved sceKernelCheckCallback;
+ Added returning of proper error codes.
o Improved sceMpegAvcCsc and MediaEngine to work with YCbCr ranges.
o Implemented Kernel_Library_37431849.
o Implemented sceAtracSetMOutHalfwayBuffer.
o Improved SAS sound processing:
+ Redirected all sound playback to _sceSasCore and _sceSasCoreWithMix;
+ Added basis for synthesis and mixing frameworks;
+ Fixed a few voice playback timing bugs.
* JPCSP v0.6 r1876:
o MediaEngine improvements:
+ use SonicStage to decode AT3+ audio "on the fly" (before playing the audio). Works for audio embedded in video (PSMF) or Atrac audio (sceAtrac). Must be enabled in media settings. Only for windows 32bit. Uses HIMDRENDER.exe coded by MarC. SonicStage has to be installed separately.
+ improved MediaEngine compatibility to PSP.
+ improved MediaEngine performance
o Improved compatibility for sceKernelWaitSema and sceKernelSignalSema
* JPCSP v0.6 r1875:
o Avoid Java exception "IllegalStateException: Function is not supported" in glBindBuffer for OpenGL < 1.5
* JPCSP v0.6 r1874:
o Performance improvement in VideoEngine: increase of 10%-20% FPS by splitting large Java methods into smaller ones (allowing the Java JIT to compile the small methods). No change of functionality.