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Merge https://github.com/dasistwas/moodle-mod_booking

Conflicts:
	lib.php
Merge remote-tracking branch 'friendlyatlet/develop'
fixed permission problem: booking answers were deletable without having proper permission

Conflicts:
	report.php
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.
events updates (unfinished)
add_to_log calls converted to moodle 2.7 log events
Merge with atlet
regression removed: user could not delete own response despite correct setting
fixed merging bug
updated language files for new features
version updated
Merge branch 'develop'

Conflicts:
	edituserprofile.php
	locallib.php
	version.php