Jpcsp SVN r1474 - 模擬器

http://jpcsp.org/forum/viewtopic.php?f=21&t=2056

r1474
Implemented sceRtcGetCurrentClock and sceDisplayIsForeground.
Removed AES handling due to new findings.
Fixed sceAtracDecodeData.
Small fixes for sceMpeg and sceSasCore.
r1473
Simple refactorings, nothing changed

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