First take on Groovy DelegatesTo/Testing sections
typo README
add manual section on Ratpack-Shadow integration
Add 'prepareBaseDir' dependency to 'shadowJar'.

Ensures that all application files are processed before the fat-jar is
packaged.
Merge pull request #386 from johnrengelman/shadow-docs

Documenting Shadow Integration
Merge pull request #276 from andresteingress/master

First take on Groovy DelegatesTo/Testing sections
Use Gradle 2.0 API.
Add John Engelman as a contributor.
Make the shadow jar task depend on the base dir prep lifecycle task.
Add Andre Steingress as contributor.
Enable new relic for site app.