Fix comparison for jobs priority when unregistering a level
Re-enable JobsTest and AnimatorTest that hadn't been undeferred

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Fix AnimatorTest to work correctly when animatior is delayed

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Add unit test for pull request #449
Refactor AnimatorStartupTest to use Animator.onEnd instead of timeout
fix jshint issue
Guard call to enyo.cancelAnimationFrame in Animator

Micro-perf: add check to avoid calling system timer code when not needed

Enyo-DCO-1.1-Signed-Off-By: Ben Combee (ben.combee@lge.com)
Merge pull request #449 from enyojs/fix-jobs-priority

Fix comparison for jobs priority when unregistering a level
Merge pull request #457 from johannjacobsohn/fix-jobs-priority

Fix jobs priority

Reviewed-By: Ben Combee (ben.combee@lge.com)
Merge pull request #456 from enyojs/avoid-cancel-call

Guard call to enyo.cancelAnimationFrame in Animator