Bump version to 0.9.1

Change-Id: Ied911c99b45f9bdae20d14f0ecbe2ae9010f1476
Reviewed-on: http://gerrit.cloudera.org:8080/3473
Reviewed-by: Jean-Daniel Cryans <jdcryans@apache.org>
Tested-by: Todd Lipcon <todd@apache.org>
9 files changed