Added EDL support over HTSP
dvr: clean up the new cutpoint code
dvr: some fixes from kendrak24 for my changes to PR #284
htsp: bump protocol version to reflect addition of new cutpoint API
epg: persist brand/season/episode images
cosmetics
Issue #1968: Clarify grabber mechanics for newly-mapped channels.
Merge pull request #325 from bconway/master

Issue #1968: Doc fix - Clarify grabber mechanics for newly-mapped channels.
Add a channelno url to play a channel by its user assigned number
Merge pull request #324 from BtbN/channelnumber_http

Add a channelno url to play a channel by its user assigned number