Update closure-util to version 1.0.0
Use goog.* types in externs

To have an externs file as accurate as possible, we also need to use
types that are provided by the Closure library.
Merge pull request #2785 from ahocevar/export-goog

Use goog.* types in externs
Merge pull request #2798 from fredj/update-closure-util

Update closure-util to version 1.0.0
Enable subclassing Interaction in public API
Merge pull request #2805 from sweco-sebhar/patch-2

Enable subclassing Interaction in public API
Remove 'pointerup' listener in ol.control.FullScreen

Only relay on 'click' event to workaround a firefox mobile limitation:
https://bugzilla.mozilla.org/show_bug.cgi?id=779324
Remove 'pointerup' listener in ol.control.Zoom
Remove 'pointerup' listener in ol.control.Rotate
Remove 'pointerup' listener in ol.control.ZoomToExtent
Remove 'pointerup' listener in ol.control.Attribution