Make necessary changes to writeMetric
Possibly get ping working
Reorganize code, make things easier for conversion; fix zenperfsnmp
Get zenping in shape
Make zenprocess work
Make zencommand work
Switch the graphs to use key instead of uuid
Merge branch 'feature/ZEN-14401' into feature/ZEN-13256
Merge branch 'develop' into feature/ZEN-13256
Addressed comment regarding the requirement of deviceUUID
Put the resource key builder on MetricMixin so it can be overridden.
Update the metric facade to work with resource key
Merge pull request #397 from zenoss/feature/ZEN-13256

ZEN-13256: Switch from using UUID to natural key for metric storage