Remove useless check.
Horde_Core is not required
Fix form variable names
Bug #12130: Need to also check if HTML is part ID 1, not just a child of part ID 1
Fix undefined variable.
[jan] Only send update notifications for local calendars.
[jan] Don't send notifications for all recurrence exceptions when deleting events.
Merge branch 'master' into caldav

Conflicts:
	kronolith/docs/CHANGES
	kronolith/package.xml