Changes (3992-3996):
                      Change : update ffmpeg, remove old AMR decoder and use latest.;
                      Change : some code cleanup;
                      Fix : debug build crash;
                      Change : Add info in MediaType about AMR codec;
                      embed the manifest files directly via the rc files;
                      remaked "Select shaders..." dialog (thanks to judelaw);
                      Fix : MPEGSplitter, when switch tracks - do not switch the other tracks, if it related to the new program;
                      Change : comment some ASSERT() for the easy debugging;
                      update buildmingwlibs.sh (/tags/v1.0.2);
                      Change : modify patch for MinGW64 to compile libmingwex.a with GCC 4.6.x
                      fixed a typo in the buildmingwlibs.sh;
                      Fix : issue with black screen on Haali render at file open, thanks to judelaw;
                      Fix : MPEGSplitter, incorrect parse video stream on old QuickTime MPEG4 files;
                      Change : modify event on Mouse DBLClick;
                       Fix : Cursor does not hide when he does not need  to hide with multi-monitor configuration - patch by judelaw.