refs #3705 : do not allow creation of course in empty coursecategories

git-svn-id: svn://develop.studip.de/studip/trunk@27633 c5b85792-5220-0410-ad23-ed5b6b8ad999
fixes #3705

git-svn-id: svn://develop.studip.de/studip/trunk@27634 c5b85792-5220-0410-ad23-ed5b6b8ad999
fixes #3706

git-svn-id: svn://develop.studip.de/studip/trunk@27635 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3706 : fixing nonmandatory cor-modules in another slot.

git-svn-id: svn://develop.studip.de/studip/trunk@27638 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3709 add Navigation::hasItem

git-svn-id: svn://develop.studip.de/studip/trunk@27643 c5b85792-5220-0410-ad23-ed5b6b8ad999
fix typo, re #3708

git-svn-id: svn://develop.studip.de/studip/trunk@27644 c5b85792-5220-0410-ad23-ed5b6b8ad999
remove 'add user' link, fixes #3687

git-svn-id: svn://develop.studip.de/studip/trunk@27645 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3709 add Navigation::hasItem and check for perms

git-svn-id: svn://develop.studip.de/studip/trunk@27646 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3709 add Navigation::hasItem and check for perms

git-svn-id: svn://develop.studip.de/studip/trunk@27647 c5b85792-5220-0410-ad23-ed5b6b8ad999
fix typo, fixes #3720

git-svn-id: svn://develop.studip.de/studip/trunk@27648 c5b85792-5220-0410-ad23-ed5b6b8ad999
remove flexi-layout on print pages, fixes #3718

git-svn-id: svn://develop.studip.de/studip/trunk@27649 c5b85792-5220-0410-ad23-ed5b6b8ad999
prevent fallback to sms_box if return_to is undefined, fixes #3729

git-svn-id: svn://develop.studip.de/studip/trunk@27650 c5b85792-5220-0410-ad23-ed5b6b8ad999
messaging: prevent change of form action when adding first adressee thus preventing the confirmation dialog from secure textareas, fixes #3728

git-svn-id: svn://develop.studip.de/studip/trunk@27651 c5b85792-5220-0410-ad23-ed5b6b8ad999
reenable toggling of waiting list option, fixes #3722

git-svn-id: svn://develop.studip.de/studip/trunk@27652 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3713 : init mailqueue

git-svn-id: svn://develop.studip.de/studip/trunk@27653 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3717 revert changes at first

git-svn-id: svn://develop.studip.de/studip/trunk@27658 c5b85792-5220-0410-ad23-ed5b6b8ad999
calendar: fix storing of title and categories, fixes #3733

git-svn-id: svn://develop.studip.de/studip/trunk@27659 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3713 : init mailqueue

git-svn-id: svn://develop.studip.de/studip/trunk@27660 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3713 : init mailqueue rename cronjob

git-svn-id: svn://develop.studip.de/studip/trunk@27661 c5b85792-5220-0410-ad23-ed5b6b8ad999
re #3713 : change migration

git-svn-id: svn://develop.studip.de/studip/trunk@27662 c5b85792-5220-0410-ad23-ed5b6b8ad999