Minor tweaks
Merge branch 'commandPassState' into renderstate
First round of render state optimizations
Removed cached render state id
Merge branch 'commandPassState' into renderstate
Added render state to clear command
Remove old render state code
Removed render state from clear state
Made ClearCommand default construct
Removed clearState.  ClearCommand is now used.
Do not set stencil state if the context was not created with a stencil.  Still need to consider stencil attachments to framebuffers.
Merge commandPassState to renderstate
Merge remote-tracking branch 'origin/master' into renderstate
Merged master to renderstate
Renamed CommandSpec.js to DrawCommandSpec.js
Added tests for ClearCommand
Cleanup and formatting fixes
Moved RenderState to its own file
More doc and tests for RenderState
Fix typos