GRAILS-10266 create the history file if it doesn't exist
updated hibernate plugin versions
Merge branch '2.2.x'
update scaffolding plugin to 2.0.0.RC1
replace integration test template with one that doesn't use the unit test mixins
Scaffolding plugin update missed assemble.gradle
Merge pull request #383 from bobbywarner/plugin-update-missed

Scaffolding plugin update missed assemble.gradle
Set version back to 2.3.0.BUILD-SNAPSHOT

This reverts commit 549d7c3bc1e6ea779907bb8c263556a263378168.
Fix for GRAILS-9997: replace generics placeholders with parameter types
GRAILS-10299 - Add controller action exception handling support
GRAILS-9997: Additional changes: don't add duplicate methods
GRAILS-10303 - restore BindDynamicMethod