solved #2990 (implement missing parts of Groups admin details view)
Refactoring of selection elements. Additional minor refactoring. Fixed a bug with Translation Editor (#2752)
refactoring of package names for consistency
Improved image handling (fixes #2351); Passwords can now be changed by "admin" user (CAUTION: this is done by checking if the currently logged in user is the user named "admin", this has to change once rights are implemented correctly)
Refactoring of property change handling. Also fixes #2363
Fixes #2413
Refactoring selection elements so they can be configured
had to rename the packages to make them compliant with buckminster