Added graphite backend (WIP)
Merge branch 'master' into feature/graphite
Now use the graphite endpoint
Disabled points in histograms
Fixed slipstream usage path
Fixed graphite URL to be relative
Bugfix
Workaround for the bug in graphite-api where time is shifted 1 hour.
Temporarily hidden the metering for CPU, Memory and Disk.
Disabled stacking for metering graph.
Merge pull request #125 from slipstream/feature/graphite

Updates the UI to integrate with graphite support.