Fixed bug in alis handling and SegmentTimeline

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4293 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed bugs with some QT files parsing

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4294 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed bug in sdtp table parsing whith padding

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4295 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed SDL link error with some GCC versions

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4296 63c20433-aa62-49bd-875c-5a186b69a8fb
Added representation@timeShift (DASH COR1), automatic flush of fragments when no sidx is used and possibility to append a 4CC marker after a segment

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4297 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed wrong LDFLAGS in SunOS

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4298 63c20433-aa62-49bd-875c-5a186b69a8fb
Rename gf_th_stop into gf_th_wait

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4299 63c20433-aa62-49bd-875c-5a186b69a8fb
Revert commit 4299 (back to gf_th_stop

git-svn-id: https://gpac.svn.sourceforge.net/svnroot/gpac/trunk/gpac@4300 63c20433-aa62-49bd-875c-5a186b69a8fb