added tokens for current video and audio bitrate in displaychannel
added 'active' Token for cutting marks
fixed possible crash when switching channel
diisplay only active timers
added {channelname}, {channelid}, {channellogoexists} for all schedules list and current views
added printf function for <drawtext>
removed code for displaying bitrates in displaychannel again
optimized performance when creating a menu list
Merge branch 'master' into debian
new upstream snapshot