Merge branch 'dev'
initial graphite support (WIP)
fix travis build
add timestamp to metrics data
update reporters to account for context
Merge remote-tracking branch 'upstream/master'
small fix for ping endpoint
Merge pull request #46 from alhardy/master

small fix for /ping endpoint in owin metrics
graphite reporting
avoid throwing exceptions from samples
wrap up udp & tcp graphite adapters
update nlog reports with new reporting structure
add graphite to samples
Merge branch 'master' into dev
Merge branch 'feature/graphite' into dev