Merge branch 'master' of https://github.com/GoodBoyDigital/pixi.js

Conflicts:
	bower.json
	package.json

bump versions to v2.1.1

republished files for v2.1

v2 publish

bump versions to v1.6.1

Fixed Canvas render texture resize issue

updated docs

republished files

bump to v1.5.1, add new builds

Add new v1.5.0 builds