Don't pass an object to goog.dom.createDom for the class name

If the second argument to goog.dom.createDom is a string, then this is
the className of the new element.
Merge pull request #2893 from fredj/simplify-createDom

Don't pass an object to goog.dom.createDom for the class name
Allow build.js task to add header
Merge pull request #2900 from tschaub/wrapper

Allow build.js task to add header.
Remove 'pointerup' listener in ol.control.FullScreen
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
Remove 'pointerup' listener in ol.control.OverviewMap