updated CalendarCtrl to work with angular-ui v0.4.0

The calendar needs to take an eventSources array to render events correctly.

Still throws "equalsTracker is not defined", but I just sent a PR that fixes this issue.

The add events button does not render the new events on the calendar live, but they are still there. If next is clicked then the calendar will update the sources which is why the tests still pass. This is fixed with the PR as well.