try to get dyno working again
restore env stuff to heroku
Workaround for bug with Compass image-url that causes "file not found" warnings

Fixes #111
Ignore class files created in root of ratpack-manual, probably by SpringLoaded
Run the site with the latest Netty snapshot.
remove some dodgy printlns.
Do not allow for test classes to end with Test (closes #115).
generics improvement.
Make the Handlebars template generic.

This is an interim solution. It enforces a dependency on guice from Ratpack core. We'll have to introduce our own cutdown version of TypeLiteral for these kinds of issues.
#104 add convenience method for handlebars template without a model
Break the dependency from ratpack-core on Guice.

Had to lift a small amount of code (TypeLiteral) from Guice to do this.
#104 javadoc for handlebars integration
Adding "modified since" support to FileRenderer