- added steps functionality similar to gplot
- removed x-axis selection as only timestmap makes sense

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3058 2b470e98-0d58-463d-a4d8-8e2adae1ed80
bugfix in steps

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3059 2b470e98-0d58-463d-a4d8-8e2adae1ed80
hmlan flexible delay

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3060 2b470e98-0d58-463d-a4d8-8e2adae1ed80
fixing dead PRESENCE definitions after timeouts (using AbortFn from Blocking.pm)


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3061 2b470e98-0d58-463d-a4d8-8e2adae1ed80