New OE2.0 Update -12.06.2016

- allow to change text subtitle blackbox transparency for teletext subtitles
- fixed possible timer sanity check false positives
- fixed possible crash in CommonInterfaceAssignment plugin
- manual service scan:
   - always use QPSK Modulation when DVB-S is selection in manual scan
   - moved satellites selection to first position
   - extend blindscan search ranges by +/- 50Mhz for silabs tuner.. its needed because of the internal algo..
   - added workaround for a driver bug in silabs driver blindscan
   - moved modulation before fec
   - fixed blindscan for C-Band
- faster service scan (shorter SDT timeout)
- misc/dev stuff
   - enable twisted threads support
   - backported Tools/Log functions from DreamOS
   - allow arbitrary user-agent for HTTPProgressDownloader
   - fixed return value of getInfoObject function for non ts media files