Implements UiBinder rendering for Cells. Rendering values passed to the render() method. Retrieving ui:fields using getters Review at http://gwt-code-reviews.appspot.com/1466809 git-svn-id: https://google-web-toolkit.googlecode.com/svn/trunk@10434 8db76d5a-ed1c-0410-87a9-c151d255dfc7