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
merge master to debug-shaders
Tweak prefix
Merge remote-tracking branch 'origin/master' into gltf-8-tweaks
Merge remote-tracking branch 'origin/master' into debug-shaders
Tweak translated shader source console error.
Merge pull request #2237 from AnalyticalGraphicsInc/debug-shaders

Support for WEBGL_debug_shaders
Merge pull request #2239 from AnalyticalGraphicsInc/gltf-8-tweaks

Update render states to glTF 0.8
Merge remote-tracking branch 'origin/master' into goodness