98_configDBwrap - added commandref, sorted into helper modules

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5165 2b470e98-0d58-463d-a4d8-8e2adae1ed80
configDB.pm - updated commandref docu

git-svn-id: svn://svn.code.sf.net/p/fhem/code@5166 2b470e98-0d58-463d-a4d8-8e2adae1ed80