Add some very simple graph as a dummy to be able to show end2end
- Move the rest-servlet to a context of /rhq-metrics
- Implement a simple angular page with metric selector and d3-graphing
Update endpoint info
Add API pong handler.
Add vert.x classpath file to allow reloading on build.
Add auto-redeploy while in development mode ...
Just a small formatting change.
Update documentation with developer instructions

to automatically rebuild and redeploy on save.
Add a fast profile to shave a few seconds from vert.x automatic development deployments.
Update developer documentation.
Add CORS Handler and create a CORS pipeline.
Add a simple Ping Angular application to issue ping tests to the Vert.x REST endpoint.
Re-use the connection to the rest-server.
Add a Batcher to reduce number of rest calls. Also get rid of the TCP decoder.
Add instructions to start vert.x with remote debugging enabled.
Add a line that connects the dots.
Add Wildfly mvn plugin for development purposes.
Add a ping+pong end-point for testing and health purposes.
Update ping+pong service.
updating core metrics api to be async

Unless and until we know that the REST server will be sync/blocking,
we should take odvantage of the fact that the DataStax driver is async and
non-blocking.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	rest-servlet/src/main/java/org/rhq/metrics/restServlet/MetricHandler.java