Print message before updating so message gives old mplexid correctly
Fix error message (no \ for end line...)
Do find and create separately to avoid problems
Fix parsing of DVB-S vs DVB-S2
Check that mod_sys matches in the DB and scan (i.e. DVB-S vs DVB-S2)
Make frequency checks consistent and tighten threshold to 1khz
BBC channels moved back to old transponders