fix for 'undefined method FRM_Client_Define in OWX...'

git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2652 2b470e98-0d58-463d-a4d8-8e2adae1ed80
modify definition argument is optional now


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2653 2b470e98-0d58-463d-a4d8-8e2adae1ed80
Added room hidden


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2654 2b470e98-0d58-463d-a4d8-8e2adae1ed80
Added require threads for windows


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2655 2b470e98-0d58-463d-a4d8-8e2adae1ed80
new Module 32_SYSSTAT to monitor system load and disk usage on linux FHEM hosts


git-svn-id: https://fhem.svn.sourceforge.net/svnroot/fhem/trunk/fhem@2656 2b470e98-0d58-463d-a4d8-8e2adae1ed80