Issues with Grails 2.3.7

[jrgleason]

I had some issues with some dependencies when using this with a grails 2.3.7 project. Created a fork and made the changes but I am not sure how to submit them for review here.

Thanks and great work!

[jrgleason]

Here was my only real change...

- 3.0.7.RELEASE - 2.5 - UTF-8 - - - 3.2.8.RELEASE - 2.5 - UTF-8 -