Add tests for texture copying feedback loops behavior.
Updated the EXT_sRGB conformance test to test more code paths.
Merge pull request #737 from zhenyao/loop

Add tests for texture copying feedback loops behavior.
Merge pull request #738 from toji/ext_srgb_updates

Updated the EXT_sRGB conformance test to test more code paths.
Add a WebGL2 test for TEX_IMMUTABLE_FORMAT.
Merge pull request #739 from dvander/tex-immutable-format

Add a WebGL2 test for TEXTURE_IMMUTABLE_FORMAT.
Make preserveDrawingBuffer test less confusing in small windows

When run the conformance test harness on mobile devices, the canvas/div
element patterns could previously line wrap and make the page look
confusing. Fix this.
Merge pull request #740 from NVIDIA/preservedrawingbuffer-test-improvement

Make preserveDrawingBuffer test less confusing in small windows
minor fixes
Merge pull request #741 from bjacob/minorfixes

minor fixes
Add a separate test for accessing texture when none is bound.

So we remove that behavior from oes-element-index-uint.html
Merge pull request #742 from zhenyao/default

Add a separate test for accessing texture when none is bound.
Update WebGL 1.0 spec to disallow aliasing among active shader attributes.

See issue #713
Merge pull request #744 from zhenyao/aliasing

Update WebGL 1.0 spec to disallow aliasing among active attributes
Fix tex-new-formats to reflect WebGL2 sRGB semantics, which are different from WebGL1 with EXT_sRGB
Merge pull request #745 from bjacob/fix-new-formats-test-for-srgb

Fix tex-new-formats to reflect WebGL2 sRGB semantics
Add conformance tests for TEXTURE_BASE_LEVEL and TEXTURE_MAX_LEVEL.
Merge pull request #746 from dvander/mipmap-levels

Add conformance tests for TEXTURE_BASE_LEVEL and TEXTURE_MAX_LEVEL.
Add tests for WebGL2 non-POT texture support.
Exclude WebGL1 npot texture tests in WebGL2.