Added changelog entry for changes in functional spec twikis

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1499571 13f79535-47bb-0310-9956-ffa450edef68
reverting spurious addition in twiki

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1499576 13f79535-47bb-0310-9956-ffa450edef68
deleting spurious line in twiki

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1499580 13f79535-47bb-0310-9956-ffa450edef68
changelog

git-svn-id: https://svn.apache.org/repos/asf/oozie/trunk@1499584 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk