implement equals and hashCode for CachingBackedRegistry
test Spring Boot and Ratpack Groovy DSL integration
add support for {@code ... } in javadoc code snippets
switch context classloader when executing javadoc code snippets
Add Spring Boot java code example to javadoc
add Spring Boot Ratpack Groovy DSL example to javadoc
remove tabs from indent
Some docs and minor signature improvements.
Split out promise operations tests.
Set memory opts for the runtime.
Fixes for content compression.
Merge pull request #437 from lhotari/CachingBackedRegistry-hashCode-PR

implement equals and hashCode for CachingBackedRegistry
Merge remote-tracking branch 'lhotari/spring-boot-tests-pr'

Conflicts:
	ratpack-manual/src/test/groovy/ratpack/manual/snippets/extractor/JavadocSnippetExtractor.groovy
Move the fonts out to a separate file to see if it improves rendering times.
Update ratpack-groovy plugin id for perf apps
Move the fonts to the end of the file to see if that improves first render.
Add Gradle getting started examples.
Merge branch 'master' of github.com:ratpack/ratpack

Conflicts:
	ratpack-manual/src/test/groovy/ratpack/manual/snippets/executer/JavaSnippetExecuter.groovy
Update the site readme.
Add promise.blockingMap() to make it easier to do transforms that require blocking.