Added basic functional testing section to the manual. Including a section for Geb and TestHttpClient.
Fixed bad link in testing chapter.
Allow trailing slashes on paths.
Improvements to how and where groovy runtime version used is validated.
Merge remote-tracking branch 'origin/master'
Rename codahale to codahale-metrics
.gitignore
Fix buffer leak.
Fix detection of files not having changed in the reloader.
If we can't find the required Groovy version on the classpath, assume things are ok.

Some minor fixes in here too.
Javadoc fixes.
Read release information from GitHub.
Fix manual download link.
Formatting fix.
Use mavenCentral() while jcenter() is unavailable.
Use mavenCentral() while jcenter() is unavailable - take 2.
Link directly to the index page, which works better offline.
Merge pull request #192 from beckje01/functionalTestingManual

Added basic functional testing section to the manual.
Update link in docs after a class name change.
Replace manual download link with API reference.

Put the download link on the version page.