Fix cache population simple way
add test
new endpoints
more endpoint cleanup
review comments - remove instance of check
Merge pull request #452 from metamx/endpoints

New endpoints for new (scalable) coordinator console
Merge pull request #450 from metamx/fix-cache-population

Fix cache population
[maven-release-plugin] prepare release druid-0.6.76
[maven-release-plugin] prepare for next development iteration