Remove extra ``` from testing chapter.
Merge pull request #223 from beckje01/manualFix

Remove extra ``` from testing chapter.
Add bits to satisfy Sonatype POM validation requirements.
Cleanup after manual Sonatype OSS release.
Add Jim White to contributors.
Show pull requests on the version pages.
Get all of the results from the GitHub api.
Some improvements to the site.
Remove some left over println debugging.
Add counts to the issues and pull requests.
Change JarFileBaseDirBuilder#getJarPath to work with Windows
Add Dimitris Zavaliadis (dimzava) to contributors list.
Change the flowdock notification for Travis builds.
Don't make the RemoteControlHandler depend on Guice.
Create standalone handlers for managing request content type and content negotiation

Closes #228.
Allow Registry objects to be queried if they are empty or not.

Closes #230.
Allow the remote control to inject into the context registry for subsequent requests.

Closes #229.
Don't hit the GitHub API when testing the site.

There's some more work to do here, but we are no longer hitting the API.

Closes #227.
Extract some constants.
Fix memory leak with static file serving (closes #231).