Rename metric-servlet to metric-servlets.
Rename metrics-web to metrics-servlet.
Upgrade to Hamcrest 1.3.
Replace old usages of Hamcrest.
Rename com.yammer.metrics.web to com.yammer.metrics.servlet.
Don't need to exclude Scala any more.
Rename com.yammer.metrics.jetty to jetty8.
Add ThreadDump.
Added JSON support for health checks.
Fix JSON serialization of gauges which throw exceptions.
Standardize on a Jetty 8 version.
Revamp metrics-servlets.

Now, with real tests!
Fix some format strings!
Stop accidentally using the default encoding.
Tidy things up and get Findbugs OK.
Don't need the old thread dump logic.
There is a lot of stuff left to do.

But hey! Here we are!