OO-291: show all membership per group in the list not only one, translation and wording in english and german, fix the group's home page and the mebers panel, show the waiting list, don't show inexistent panels...

OO-292: remove deprecated query with ? in user comments and ratings, make the unit tests for this service work (it's was ignored)

OO-291: fix the permission to manage, merge, configure a batch of groups, fix the permission in the configuration wizard for quota and course assignment, remove unused i18n keys, remove unused velocity templates, fix payment method not displayed in booking. fix booking of group with waiting list, fix red screen booking a group

OO-291: enhance the batch copy, only show the options which are useful, add the option to copy course assignments...

OO-291: implements public flag for members in group configuration, check paypal against waiting list, test reservations, fix missing chat checkbox in group collaboration tools configuration

no-jira: remove a setLastUsage test for the RepositoryManager which is fully random and doesn't test anything

OO-291: avoid groups and areas with the same name if a course is exported with the backward compatibility flag

OO-323 removed mime-type accept limitation on file upload, does not work stable enough. Checked on server side after upload anyway.