GPRESOURCES-170 - interpret "server-relative" URLs in CSS files as context-relative URLs and don't ignore them anymore
Factor out statistics management.
Rename test to avoid double negative. Add some JavaDoc comments.
GPRESOURCES-214 - integration test
GPRESOURCES-213 - allows custom writers/types for the stashing feature
Merge remote-tracking branch 'pjungermann/feature_style-tag' into develop

Conflicts:
	test/integration/org/grails/plugin/resource/ResourceTagLibIntegTests.groovy
Merge pull request #45 from pjungermann/GPRESOURCES-170

GPRESOURCES-170 - interpret "server-relative" URLs in CSS files as context-relative URLs
Merge pull request #46 from jako512/develop

GPRESOURCES-214 - integration test
Revert "GPRESOURCES-214 - integration test"

This reverts commit 36a857e80d9a20deef6cf5416ed7378236212f83.
Remove author and authorEmail so can work with developers map. Add Peter N. Steinmetz to map.