nonworking drawtriangles implementation on canvas
Working drawTriangles, it will probably need some optimization
cleanup
Skip t values in uvtData
Add culling
Initialize indices if null
Initialize uvtData if null
Add non-bitmap fills to drawTriangles
Merge branch 'master' of https://github.com/openfl/openfl into canvas_drawtriangles

Conflicts:
	openfl/display/Graphics.hx
Fix iOS support
Use 2.1.0-beta as version instead
Documentation improvements
Compile fixes
Update CI script
Update CI script
Update CI script
Update CI script
Update CI script
Update script
Update CI script
Revert Graphics change
Use 'openfl-next' instead of just 'next', '-Dnext' still works as before