ome minor updates for mobile
Update ios to include 9.1
Update OpenGL ES 2 to always require OES derivs extension and put it first to avoid errors on some devices
A GitLab update will be applied on April 24th, between 8am and 10am, EST (UTC-05:00). This site may have intermittent delays during that time.
Update ios to include 9.1
Update OpenGL ES 2 to always require OES derivs extension and put it first to avoid errors on some devices