sync: Add ADDON_Announce
sync: Add ADDON_Announce to all addons
[mythtv-cmyth] Handle OnSleep/OnWake announcements

Check xbmc announcement and suspend or resume services.
sync: Add WakeOnLan
sync: GetRecordingEdl
sync: Add GetRecordingEdl stubs to all addons
[mythtv-cmyth] Add GetCommbreakList and GetCutList functions to MythConnection
[mythtv-cmyth] Implement GetRecordingEdl
[tvheadend] added working seek support.
[tvheadend] ensure timeshiftStatus does not spam logs
[mythtv-cmyth] Release v1.6.9

- Added Live TV vs. recording conflict handling
- Fixed recovering from backend connection loss on Windows
- Fixed error when trying to set watched flag for recordings that already have been marked as watched
[tvheadend] update subscriptionSeek call to use abs PTS
[tvheadend] correct previous mistaken fix to webroot processing
[tvheadend] update addon version info
[tvheadend] fix return PTS when skipping
addongui: sync with xbmc
configure: check for GL
add version for addongui lib
bump api version to 1.6.1
updated README for windows