Fixed ArrayIndexOutOfBoundsException in some videos decoded by h264j

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3651 4ab978e6-3352-0410-996c-0b42db0051c8
Implemented "Eject/Insert Memory Stick" in menu. Improved compatibility of UMD switching (notifying first that the UMD has been removed).

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3652 4ab978e6-3352-0410-996c-0b42db0051c8
Updated README

git-svn-id: http://jpcsp.googlecode.com/svn/trunk@3653 4ab978e6-3352-0410-996c-0b42db0051c8