Nuke EOL whitespace.
Be explicit about ReadPixels and FLOAT.
Add a test for ANGLE crash on indexing with 'int()'
Disable toDataURL() image smoothing.

Exact pixel copies are expected, but some OpenGL implementations lose precision
on texture filtering of images larger than 256x256.
Merge pull request #799 from c0d1f1ed/fix-to-data-url

Disable toDataURL() image smoothing.
Merge pull request #790 from jdashg/float-reads

Float reads
Merge pull request #798 from NVIDIA/int-index-crash-test

Add a test for ANGLE crash on indexing with 'int()'