connect to TS stream in seperate thread

Avoid blocking GUI thread for 10 seconds if a stream
is not available.
Connection is now established in a separate thread.
Thanks to technic.

Signed-off-by: pieterg <pieterg@users.sourceforge.net>
[MovieSelection] fix variable name (thanks Darezik).
[ChoiceBox] add option to use 'text' variable instead of 'title', and small code optimisation.
[EpgScreens] add the ability to show if a timer was created by AutoTimer.
add optional support for 'RemoveTimerQuestion' screen to epg screens.
Merge remote-tracking branch 'pli/master'
openvix: build 651
merge fix