Added more default types.
Upgrade to Grails 2.2.2.
Upgrade cinnamon-humulus plugin.
Updated author's email address.

Fixes #1
Changed ContentStore from Java to Groovy, removed dependency on ConfThreadLocal.
Fixed javadoc.
Remove dependency on ConfThreadLocal.

Note: please check your cinnamon-config.groovy before deploying; it should contain valid repository-entries.
Include config field in XML serialization of ObjectType.
Simplify hashCode implementation.
Refactor code to be a little more Groovy.