Use CHECK_ERROR on every GL call
Reduce GL log spew
Fix unused param
update error reporting function
only report STACK_OVERFLOW/STACK_UNDERFLOW when the GL implementation has them
Merge pull request #711 from mapbox/check-gl-error

Use CHECK_ERROR on every GL call
Merge branch 'master' of github.com:mapbox/mapbox-gl-native into android-mason

Conflicts:
	platform/default/glfw_view.cpp
	platform/default/headless_view.cpp
	src/mbgl/renderer/painter.cpp
	src/mbgl/renderer/prerendered_texture.cpp
Add missing CHECK_ERROR