Cleaned up entity attributes and added metadata ui attributes
Cleaned up entity attributes and added metadata ui attributes

git-svn-id: fac53d8b196e0ef1c2775236b39a8c3227ab71b5@212 528793b8-127e-4309-9901-b74759c7208d

OpenConext/OpenConext-serviceregistry,OpenConext/OpenConext-serviceregistry