Run and report on all style errors in assert_styles
Fix car-demo
Merge pull request #242 from dstockwell/fix-car-demo

Fix car-demo to use iterationDuration
renamed
Merge pull request #245 from mikelawther/reparent

Rename parentGroup to parent
Merge pull request #241 from dstockwell/assert-message

Run and report on all style errors in assert_styles
Merge pull request #246 from mithro/test-hole

Adding test which demonstrates weird (but spec compliant) holes.
Fixing test-reparent.