enable the use of specific TimeUnits for individual metric durations and rate units
Adding an example ServletContextListener to servlets, for use in a web.xml or similar.
adding a unit test and fixing a small typo in the docs.
Merge remote-tracking branch 'upstream/master'

Conflicts:
	docs/source/manual/servlets.rst
Fix p99s in Slf4jReporter.
Merge pull request #409 from pcsanwald/master

Example ServletContextListener
Don't use statics.
Add optional name prefix to GangliaReporter.

Closes #400.
Merge pull request #402 from fernandezpablo85/master

Specific rate and duration units for JmxReporter
Clean up JmxReporter a little.
Update contributors list.
Fix underline in servlets docs.
[maven-release-plugin] prepare release v3.0.0-RC1
[maven-release-plugin] prepare for next development iteration
Update docs.
Update contributors.rst

Though I like to stand out, this seems a bit too much :P
Merge pull request #410 from fernandezpablo85/patch-1

Contributors list bug
Fix docs for metrics-servlets.

Closes #412.
Clarified documentation on context listener.

MetricsServletContextListener does not instantiate any registries of its own, it merely injects provided registries into the servlet context.
Change the timing for ScheduledReporterTest.

Hopefully some improvement for #413.