add verimatrix to list of known caid names
improved/fixed the calculation of the htsp buffer delay
detect commercials on swedish TV4 and skip them while recording
cosmetics: removed dead code
Only do commercial detection (teletext rundown) on swedish TV4 and TV4 HD. TV4 Guld carry the same teletext pages but thier programming differ.
dvr: record the first commercial tagged packet, incase the detection was to early
check wrong prefcapid
Merge remote-tracking branch 'origin/pr/207'
Merge remote-tracking branch 'origin/pr/208'
Merge remote-tracking branch 'tvheadend/tvheadend/master'