MythTV channel scanner v0.96.12
0.96.12:
- Check that a channel isn't already hidden before hiding it.
- When using -hide_channels, if a channel has been unsubscribed, keep
it visible instead and delete after 7 days.
- While scanning EIT, filter bad entries after see a given event 20 times.
- Fix infinite loop problem in all_eit_seen().
- Fix commfree/commmethod flag change in MythTV.
- Remove stray quote for new DVB-S2 stuff.