dvbtee: dont stop server if it isnt running

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
serve: stop monitor and listener before clearing tuner & feeder maps

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Merge branch 'master' into streaminfo
Merge branch 'streaminfo' into teev-qt
teev: fix segfault on exit (when built against QtMultimedia)

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>