Properly working activity completion.
Properly working activity completion.
Version fix.
Merge remote-tracking branch 'friendlyatlet/develop'
fixed permission problem: booking answers were deletable without having proper permission

Conflicts:
	report.php
Added new option, sendind poll to teachers.
Coping of activities.
Some functions to get some data.
Incrementing version number.
Deleted some files, that don't go here!
Removed some files!
fix broken xml structure
Moodle 2.7 required
update  for moodle 2.7
logging für view, report, choose upgraded to moodle 2.7 logging events
Fixed: After the changes in commit 4b0cb57 , a user can not delete his own bookings.
Added links to go up and down. :)
Version update...
Minor bug fix.
Ver ++