FHEMWEB: defaultRoom attribute by Happy Fhem User



git-svn-id: svn://svn.code.sf.net/p/fhem/code@4977 2b470e98-0d58-463d-a4d8-8e2adae1ed80
Bugfixes. Groupstitel now can show icons, Backbutton in Fullsize-Mode

git-svn-id: svn://svn.code.sf.net/p/fhem/code@4978 2b470e98-0d58-463d-a4d8-8e2adae1ed80