show toggling in example code
update readme and div resizing
add model support
Merge pull request #5 from NICTA/toggling

Toggling of oculus mode
Merge pull request #6 from NICTA/models

Fix for black screen on glTF model
Added Oculus runtime version to readme.
Merge branch 'master' into webVR

Conflicts:
	README.md
	index.js