AMBARI-1305. Make sure that Ambari Web renders all elements correctly when the browser width is 1024px or narrower (refactor). (Arun Kandregula via yusaku)

git-svn-id: https://svn.apache.org/repos/asf/incubator/ambari/trunk@1440794 13f79535-47bb-0310-9956-ffa450edef68