GPRESOURCES-207 - integration test
GPRESOURCES-207 - additional integration test for a case with stashed script
Refactor methods dealing with dispositions to separate utility class.

Adds DispositionsUtils, changes code using these methods, and adds tests.
Add dispositions for all required modules.
Set to snapshot version of next release.
Merge remote-tracking branch 'remotes/grails-plugins/develop' into GPRESOURCES-210

Conflicts:
	grails-app/conf/TestOnlyResources.groovy
	grails-app/taglib/org/grails/plugin/resource/ResourceTagLib.groovy
	test/integration/org/grails/plugin/resource/ResourceTagLibIntegTests.groovy