SOLR-5380: Using cloudSolrServer.setDefaultCollection(collectionId) does not work as intended for an alias spanning more than 1 collection.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1535076 13f79535-47bb-0310-9956-ffa450edef68
SOLR-5382: Update to Hadoop 2.2 GA release.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1535083 13f79535-47bb-0310-9956-ffa450edef68