Add the MockGraphite class that reads lines of text sent to it by the metrics service.
Graceful shutdown.
Move the MockGraphite class to its own file.
Merge pull request #862 from rackerlabs/b-60858-mock-graphite

B 60858 mock graphite - Use a mock instead of a live Graphite instance.
Updated api-checker dependency to 1.0.16
Merge pull request #863 from rackerlabs/api-checker-1.0.16

Updated api-checker dependency to 1.0.16
Try vectors?
Merge pull request #864 from rackerlabs/vector-maybe

Try vectors?
[maven-release-plugin] prepare release papi-3.0.0
[maven-release-plugin] prepare for next development iteration