decalc added (from betateilchen)


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3199 2b470e98-0d58-463d-a4d8-8e2adae1ed80
new mode "shellscript" (checked in with Rev 3067), documentation updates


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@3200 2b470e98-0d58-463d-a4d8-8e2adae1ed80