Fix rack startup errors
Upgrade Netty to 3.6.6.Final
Merge more build changes from airbase
Inject a TraceTokenManager into TestingHttpServer
Cleaner exporting of stats to JMX
Work around linux test failure
Cleanup sample server
Allow ResponseHandler.handleException() to return an object.

This is particularly useful if the caller has a default object they want to use in case of error.
Create DefaultingJsonResponseHandler
Test exception handling behavior of TestingHttpClient
Make service pool default to the nodeinfo pool
Switch from MeterStat to DistributionStat
deprecate MeterStat
Create TimerStat, based on DistributionStat
Create SerialScheduledExecutorService

From mkent/serial-executor-service on GitHub
Update CHANGES
Put AbstractFuture in failed state so callbacks get run.
Ensure ServiceInventory loaded before used
Update CHANGES