remove RRD code from callhome
Merge pull request #75 from zenoss/feature/callhome_rrd

remove RRD code from callhome
Remove ZCML declaration depending on a now-absent class
Merge pull request #76 from zenoss/feature/ZEN-8960

Remove ZCML declaration depending on a now-absent class
Merge branch 'develop' of github.com:zenoss/zenoss-prodbin into feature/serviced-integration
Added facades for monitors (collectors), plus initial work on IInfo/ITreeNode work for monitors
Merge branch 'feature/serviced-integration' of github.com:zenoss/zenoss-prodbin into feature/serviced-integration