Avoiding division-by-zero in Ksc and Rrd dashlet
A few better error catching
Use rrdtool's fontset
Bug with "STACK" parsing
Merge branch 'master' of git://github.com/OpenNMS/opennms

# By Christian Pape
# Via Christian Pape
* 'master' of git://github.com/OpenNMS/opennms:
  Avoiding division-by-zero in Ksc and Rrd dashlet