Add more status checking.
Merge pull request #195 from greggman/more-fixes-for-ext-draw-buffers-test

Add more status checking to ext-draw-buffers test.
Merged https://github.com/KhronosGroup/WebGL/pull/194 from 1.0.2 branch to trunk.
Merge pull request #196 from kenrussell/pointsize

Merged https://github.com/KhronosGroup/WebGL/pull/194 from 1.0.2 branch ...
Added tests copying and transferring ArrayBuffers and ArrayBufferViews between main thread and workers. Refactored test cases from array-unit-tests for reuse.
Merge pull request #197 from kenrussell/transferables

Added tests copying and transferring ArrayBuffers and ArrayBufferViews b...
Set gl_PointSize in the vertex shader of rendering/more-than-65535-indices since it is used to render points.
Merge pull request #198 from vonture/master

Fix undefined behaviour in rendering/more-than-65536-indices conformance test
Merge https://github.com/KhronosGroup/WebGL/pull/198 to top of tree conformance suite.
Merge pull request #199 from kenrussell/merge

Merge https://github.com/KhronosGroup/WebGL/pull/198 to top of tree conf...
Added extension proposals for OES_texture_float_linear and OES_texture_half_float_linear.
Merge pull request #200 from kenrussell/linear

Added extension proposals for OES_texture_float_linear and OES_texture_h...