FIX: PING services on clusters are treated like the host check of clusters
Added FOREACH_SERVICE capability to leaf nodes
Merge branch 'master' of mathias-kettner.de:check_mk
kernel.util: add "Average" information to PNP graph
Fix: Distritubed monitoring setup:
- site configuration changes no longer mark all sites as dirty
- correct logfile cleanup on 'Activate changes'
Add: bi views now support debug of livestatus queries
resolved merge conflict
Added notify plugin test script
Merge branch 'master' of mathias-kettner.de:check_mk