minidlna 1.1.4

Update to latest stable release, update (only different line numbers)
and integrate patch.
minidlna: remove libav dependency

Remove unused libav dependency in favor of ffmpeg.
minidlna: remove unnecessary patch

Compilation with Clang was fixed in 1.1.3.
minidlna: add HEAD

Add git repo as HEAD, add dependencies for building from git master.
minidlna: add 1.1.4 bottle.