Remove sample coverage to keep in sync with glTF 0.8
Update model tests for glTF 0.8 update
Merge remote-tracking branch 'origin/master' into gltf-8-tweaks
Start of WEBGL_debug_shaders
Report when link fails
Fix deleteProgram
Pack position attributes with rotation and scale.
Compress pixel offset, direction, horizontal origin, vertical origin, show, and translate into 3 floats.
Initial compression of eye offset, aligned axis, translucency by distance, color and pick color.
Only decompress attributes if they're used. Fix aligned axis encoding error when undefined.
Fix encoding aligned axis.
Remove eye offset compression.
Compress billboard texture coordinates.
Compress and pack image dimensions.
Fix translucency by distance decompression.
Merge branch 'master' into billboardCompression
Fix translucency by distance tests.
Add comments about what each compressed attribute contains.
Only unpack the color that will be used when the pass is either pick or color.
Remove old comment