Backport [20188]. "ffmpeg/demux.c: Don't change an ffmpeg demux's .flags member permanently. Fixes the "ffmpeg demuxer can't be used more that once" bug with libavformat revisions newer than 7589 (included)."

Mac OS X gui: Hopefuly fix the fullscreen change crash by back porting the NSView main thread creation fix.

* update live building, removed support for compilation on OSX < 10.4 and included the current patches

* modules/access_output/shout.c: Make ICY the default protocol and set protocol rollover from shoutcast to icecast. This fixes some libshout Socket error messages. Refs #1003. Partly backported from [19745].

 - Add brackets whenever there is a colon to avoid potentially harmful
   playlist injection through SAP.

Unfortunately, the SAP receiver has been heavily refactored in 0.9.0/trunk.
This series of commits tries to address of the bugs that were already fixed
without backporting the all refactored code. Needs testing (ECP people?).

i.e. do not add them around DNS hostnames