Add conformance test to check the behavior of texImage2D with OES_HALF_FLOAT as type and null ArrayBufferView.
Add conformance test to check the behavior of texImage2D with OES_HALF_FLOAT as type and null/non-null ArrayBufferView.
Modified the description of the test.
Modified title.
Merge pull request #209 from nayankk/oes-texture-half-float

Add conformance test to check the behavior of texImage2D with OES_HALF_F...