#470 change the CustomEvent polyfill to work with older browsers
Better focus delay for modals
Merge pull request #471 from RangerRick/470-customevent-polyfill

#470 change the CustomEvent polyfill to work with older browsers
fallback for browsers that don't support createEvent('CustomEvent')
Android back button fixes, closes #454
fix tab icon alignments, closes #493
Merge remote-tracking branch 'remotes/upstream/master'

Conflicts:
	dist/css/ionic.min.css
	dist/js/ionic-angular.min.js
	dist/js/ionic.min.js
Distribution

run dist