Dart breaking changes
Merge branch 'pr/711' into gh-pages

Close #711
Update chaplin and exoskeleton links in learn.json.
Improve styling in Chaplin app.
Switch Chaplin app to Exoskeleton.
Chaplin: Fix base.js script inclusion :)

/ref #713
Merge pull request #713 from chaplinjs/chapl

Update Chaplin app
Update chaplin bower.json and recompile it.
Merge pull request #715 from chaplinjs/123

Update chaplin bower.json and recompile it.
angular: upgrade to 1.2
Merge pull request #650 from passy/angular-trimming

AngularJS Item Trimming / Angular 1.2 Upgrade
Merge commit '940e94a26837ea01dbc3a3f4bdc047347bb74672' into gh-pages