Minor fix on error messages

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4664 63c20433-aa62-49bd-875c-5a186b69a8fb
use in-memory fragment generation in DashCast

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4665 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed bug with SDL2 compil

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4666 63c20433-aa62-49bd-875c-5a186b69a8fb
Fixed bugs in DASH low latency

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4667 63c20433-aa62-49bd-875c-5a186b69a8fb
Fix android issue on Nexus 7

git-svn-id: svn://svn.code.sf.net/p/gpac/code/trunk/gpac@4668 63c20433-aa62-49bd-875c-5a186b69a8fb
Merge branch 'plain'

Merge revision: r4668
Conflicts:
	modules/isom_in/isom_in.h
	modules/isom_in/read.c
	modules/isom_in/read_ch.c
	modules/mpd_in/mpd_in.c
	modules/mpegts_in/mpegts_in.c
	src/utils/downloader.c