roomIcons added


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3168 2b470e98-0d58-463d-a4d8-8e2adae1ed80
Typo


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3169 2b470e98-0d58-463d-a4d8-8e2adae1ed80
fixed minor error in doc

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3170 2b470e98-0d58-463d-a4d8-8e2adae1ed80
error cleanup function pushbutton

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3171 2b470e98-0d58-463d-a4d8-8e2adae1ed80