Fix bug in DateRangePicker; infinite recursion between changeDate and setUTCDate
fix ch global leak

Maybe you should use jshint or smtg to detect globals easily.
Return the return value for aliased methods
Reconcile autoclose with refocus

Closes #731
Merge patch request 733 from vvo/patch-1

fix ch global leak
Add datepicker3.css to main assets for bower/composer
Begin release 1.3.0-rc.3
Update bower.json
Added tag 1.3.0-rc.3 for changeset 2687213f73e2