Updated the 1.9 reference at the top of the file and added in some cross references to the API.
Updated the 1.9 reference at the top of the file and added in some cross references to the API.

git-svn-id: 4c5078813df38efa56971a28e09a55254294f104@415851 13f79535-47bb-0310-9956-ffa450edef68

apache/solr,apache/solr,apache/solr,apache/solr,apache/solr