upgrade to latest hikaricp version, which turns out to be java8 dependant
Test fixes.
Don't let Netty auto release the request buffer.

Closes #460.
Fixes #459
closes 419. Add ratpack-base gradle plugin that simply adds extension.
Merge branch 'master' of git://github.com/mlusetti/ratpack
Add Massimo Lusetti as a contributor.
Merge branch 'ratpack-gradle-base' of git://github.com/johnrengelman/ratpack
Enable browser tests for the site locally and on SnapCI
Remove all irrelevant SauceLabs related stuff from geb config
Setup browser tests to be runnable from IntelliJ
Pass manual versions and current version from build to site tests