Merge remote-tracking branch 'upstream/master'
added files
Update
Change ServoGraphiteSetup to ignore if a metric publisher already exists
Merge pull request #245 from dcrissman/graphite

Change ServoGraphiteSetup to ignore if a metric publisher already exists
Add support for GRAPHITE_PREFIX envvar
Merge pull request #246 from dcrissman/graphite-prefix

Add support for GRAPHITE_PREFIX envvar
DataSourceConfiguration can now return a specific type of DataSource
make DataSourcesConfiguration do the casting work
Update with the latest changes from upstream
Merge pull request #235 from luan-cestari/fix_LightblueFactory

Fix lightblue factory
Merge pull request #249 from dcrissman/enhancements

DataSourceConfiguration can now return a specific type of DataSource
Merge pull request #250 from dcrissman/make-dsc-generic

make DataSourcesConfiguration do the casting work