Updated release notes.  RIVER-403 and RIVER-404 not fixed in this release.
Updated release notes.  RIVER-403 and RIVER-404 not fixed in this release.

git-svn-id: b4541a29a8effb3341bc7c045d7ad1899061449b@1476476 13f79535-47bb-0310-9956-ffa450edef68

trasukg/river-qa-2.2,trasukg/river-qa-2.2