configdb - code cleanup

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5585 2b470e98-0d58-463d-a4d8-8e2adae1ed80
configdb - updated commandref

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5586 2b470e98-0d58-463d-a4d8-8e2adae1ed80