fix of XHRWrapper for old Chrome and Safari

update

Merge pull request Yaffle#81 from jraedisch/patch-1

Rebuild eventsource.min.js

Update package.json

Update component.json

fix for Yaffle#58 (Crashes Android app on 4.4.2 when used in WebView)

update

Merge pull request Yaffle#53 from sime/patch-1

Remove duplicate main files from bower.json

update

Merge pull request Yaffle#34 from humantech/master

uglifyjs license fix, grunt support, bower support