Fixed #11249, #11261 -- Blocks may now be overridden again `google-map.js`...

Fixed #11249, #11261 -- Blocks may now be overridden again `google-map.js` template; now use GMaps `setUIToDefault` to use default controls.  Thanks to ludifan and Peter Landry for the ttickets and patch. 


git-svn-id: http://code.djangoproject.com/svn/django/trunk@11124 bcc190cf-cafb-0310-a4f2-bffc1f526a37