First bits of #104 - ability to render a simple handlebars template from the default location
Merge remote-tracking branch 'origin/master'
Use the latest snapshot of the artifactory build plugin to workaround GAP-145.

- https://www.jfrog.com/jira/browse/GAP-145
adding convenience responder methods for common mime-types
rehoming the mime-type responder test
utilize the ratpack groovy dsl
Merge pull request #107 from danveloper/master

adding convenience responder methods for common mime-types
Add Dan Woods as a contributor.