Fix indentation in pom.xml

This patch fixes a small indentation issue in pom.xml

Issue: 305
Add Metrics 3 as a dependency.
Swap Metrics 2 for Metrics 3.
Update some docs a bit.
Move to the com.codahale namespace.
Get right with Findbugs.
Move to Jetty 9.

Mostly. Still not done.
Migrate to Java 7.

Jetty 9 is JDK7-only, so here we go.
Add JVM instrumentation.
Instrument HttpConnectionFactory.
Extracted out dropwizard-util.
Extract out dw-jackson.

Also, replace ObjectMapperFactory usage with ObjectMapper. It already does everything we need.
Peel out dw-validation.

Also, nuke Validator. No need to wrap the existing API.
Peel out dw-configuration.
Peel out dw-logging.
Move all the tests out of *.tests.
Fix logging a bit.
Extract out dw-jersey.

Also, stop requiring HTML error messages.
Configure Travis-CI.
Fix some foundbugs.