tvheadend: tvheadend.stop: send TERM signal, not KILL
tvheadend: update to tvheadend-3.3.326
tvheadend: add an option to preload capmt_ca.so library
tvheadend: update to tvheadend-3.3.328
Merge pull request #1737 from stefansaraev/tvheadend

tvheadend update