FHEMWEB: hiddenroom for Extensions


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4510 2b470e98-0d58-463d-a4d8-8e2adae1ed80
support hwmask/swversion in device.xml


git-svn-id: svn://svn.code.sf.net/p/fhem/code@4511 2b470e98-0d58-463d-a4d8-8e2adae1ed80