Added missing test post step to angle-instanced-arrays
Merge pull request #396 from laneroberts/master

Added missing test post step to angle-instanced-arrays
Add a test case to shader-with-short-circuiting-operators.html

To guard against incorrect unfold order.
This is the right one.
Merge pull request #397 from zhenyao/case

Add a test case to shader-with-short-circuiting-operators.html
Added test case from Bill Baxter (Google Maps team) for conditional discard optimization bug.
Merge pull request #398 from kenrussell/conditional-discard-bug

Added test case from Bill Baxter (Google Maps team) for conditional disc...