Partial fix for CONNECTORS-867.

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/trunk@1560561 13f79535-47bb-0310-9956-ffa450edef68
Revise CHANGES.txt to move CONNECTORS-866 to its rightful place

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/trunk@1560663 13f79535-47bb-0310-9956-ffa450edef68
Create a rebased CONNECTORS-867 branch

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/branches/CONNECTORS-867@1560678 13f79535-47bb-0310-9956-ffa450edef68