HBASE-8090 Versioning site; part two, publish 0.94 site and add link from main site

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1456356 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8090 Versioning site; part two, publish 0.94 site and add link from main site

git-svn-id: https://svn.apache.org/repos/asf/hbase/branches/0.94@1456357 13f79535-47bb-0310-9956-ffa450edef68