Create a branch to work on CONNECTORS-565.

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/branches/CONNECTORS-565@1545906 13f79535-47bb-0310-9956-ffa450edef68
Add SharePoint 2013 option

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/branches/CONNECTORS-565@1545912 13f79535-47bb-0310-9956-ffa450edef68
Pull up changes from original CONNECTORS-565 branch

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/branches/CONNECTORS-565-2@1550086 13f79535-47bb-0310-9956-ffa450edef68