Filter out windows images when getting an image to use for tests.

Update AutoScaling tag tests. With image management imaging worker a new tag is introduced to the system.  Scaling tests that depended on only the tags that were created in the test to be present will fail until this change.
Filter out load balancer and image worker images when getting an image to use for tests.

Update AutoScaling tag tests. Handle case where image worker tag is present and adjust verification accordingly. This is a better solution as the test will remain backward compatible and also pass in the case image worker image is not running.
Cleanup boolean logic in EC2ReferenceValidation test
Fix missing braces on else clause when checking if using HVM or para-virt image
Add some S3 tests to CI-run test suite, update wlarus test suite with all Walrus/S3 tests

Comment out getting groovy dependency that was accidentally included with a previous commit.
Merge pull request #281 from tbeckham/testing

Update E4J (stop adding trailing slash)