Fix to GPI18NFIELDS-9 by Andrew Eisenberg

http://jira.grails.org/browse/GPI18NFIELDS-9
Grails version upgraded to 2.2.1
Fixes

Fixes
Updated to 0.6.4
Merge branch '0.6.x'

Conflicts:
	I18nFieldsGrailsPlugin.groovy
	application.properties
	plugin.xml
Deleted autogenerated and unnecessary files.
Updated .gitignore