Merge branch 'feature/metricfacade' into develop
Merge branch 'develop' of https://github.com/zenoss/zenoss-prodbin into develop
send if we are a rate to the metric server
moved the rateOptions definition into the rrd datapoint info object
have rate options return empty dictionary instead of None
Merge pull request #16 from zenoss/feature/rateoptions

add rate options to metric service request