remove old and wrong extension-block
check the access token vality
refactor code for display group/user in membership views
merge with master
Merge pull request #32 from osiam/osng-505

Merged Osng 505
Fix saving primary flag for multi-value-attributes
make one link for sorting dependend on the current sort order
fix integration-tests
Merge pull request #34 from osiam/osng-507

Osng 507
Add success message for activate/deactivate user
Add success message for adding and removing groups from a user
Add success message for adding and removing user from a group
New message for saving and deleting of groups
Unify language files
Remove duplicated lines
Add new localization
Add failure message for already existing name or external id
Add new success message for creating group
Add new localization
Replace umlauts with unicode
Fixes duplicate and validation fail
refactor some code