Updated codenarc version
Updated jackson-databind version
Change lazybones templates to use release version
Merge pull request #234 from bobbywarner/versions

Simple Version Updates
minor tidy up.
Make gradlew executable in Lazybones templates.
Increase NamedHealthCheck#getName visibility to public
Metrics javadoc #203
Use newest Netty.
Retain file upload buffer.
Turn off the leak detector.
Add RatpackMainApplicationUnderTest for testing apps providing a HandlerFactory.

Closes #236.
Some test simplifications.
Don't need this extra repository.
Unneeded ivar.
Remove network config.

Rely on OS tuning instead.
Move test.
Allow the Context and Background to be injected into “services” (closes #240).
Preliminary RxJava integration (#241).
Fix site tests.