Makefile.ffmpeg: added ac3 eac3 decoders
configure: fix hdhomerun library check, fixes #2375
configure: add better check for ffmpeg n1.2+ and libav v10+ version
trancode: remove code for old libs
config: another libhdhomerun check fix
subscriptions: add shortid to each log messages to identify parallel tasks
epggrab: ota - fix the frozen epggrab subscriptions, fixes #2365
webui: accept profile in /play playlist redirects