Mime the ETC1 extension to handle the formats exposed by ES3 and GL4.3.
Add both ETC2 and EAC compressed texture formats.
oes-vertex-array-object-bufferData test added
added missing gl.viewport, clean up, some comments
tabs to spaces
formatting
small fixes to update vao-bufferData test
typo
Merge pull request #450 from andrewvarga/add-oes-vertex-array-object-bufferData-test

Add oes vertex array object buffer data test
additional check to make sure that vertexAttribPointer isn't called for not active attribute (case when getAttribLocation returns -1)
Add a test case for the default webgl context creation attributes.
Merge pull request #452 from zhenyao/default

Add a test case for the default webgl context creation attributes.
Vector constructor argument list validation

Tests to verify if the constructor expression is valid
Merge pull request #454 from jdashg/prop-ext-es3

Propose WEBGL_compressed_texture_es3 for compressed texture formats core to GLES3
In Khronos F2F meeting of WebGL WG, rewrote security considerations section as issues, and removed text forbidding exposing these extensions to arbitrary web pages.
Merge pull request #455 from kenrussell/security-considerations

In Khronos F2F meeting of WebGL WG, rewrote security considerations sect...
Merge pull request #453 from TiborsHub/master

Vector constructor argument list validation, request for comment
Add a 1 channel jpg texture test.

This passes on Chrome and Firefox but generates an incorrect
`INVALID_VALUE` error on Safari
Merge pull request #451 from imzet/utils-vbo-use

additional check to make sure that vertexAttribPointer isn't called for ...
Merge pull request #457 from greggman/add-1-channel-jpg

Add a 1 channel jpg texture test.