[-] cleanup: removed silly optional_classes support, as aspects handle this nicely
[evol] move all activeldap workarounds away, and properly manage operational attributes (using schema instead of a hardcoded list)
[fix] fs aspect primaryGroup corrected, and now handle single-valued relation data, and btw disallow adding the same value multiple times
[evol] added list of available objects and aspects of objects, and s/ou/unit/ object
[evol] more objects
[evol] added tree view
[evol] added private config load in home, and global hidden attributes (until something really proper is done for config)
[evol] files/code reorganization, and added a proper installer