Reimplement updateText based on enhanced (Canvas v5) measureText
Unbundle canvas-text-metrics-polyfill from Pixi
Update bin files
Merge branch 'master' of https://github.com/GoodBoyDigital/pixi.js.git into dev-fix-text-cropping

Conflicts:
	bin/pixi.dev.js
	bin/pixi.js
	src/pixi/text/Text.js
Updated dist files