Monthly merge...

Specific changes for review since the last release..

Bump FFmpeg to 1.2.4
" 1.2.4 was released on 2013-10-03. It is the latest stable FFmpeg release from the 1.2 release branch, which was cut from master on 2013-03-07. Amongst lots of other changes, it includes all changes from ffmpeg-mt, libav master of 2013-03-07, libav 9 as of 2013-03-07".
FFmpeg patches added.
Fix PCRE errors in xbmc.log > add recommended configure flags to PCRE.
Detect LIRC socket on boot up.
NFS patched.
Enable texturepacker.
Added a Boxee Box specific xml file for Settings config (some tweaks to reduce blank video on start).
PVR addons updated.
Samba 3.6.21.