Create a branch to work on CONNECTORS-1118.

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/branches/CONNECTORS-1118@1644107 13f79535-47bb-0310-9956-ffa450edef68
Make minimum depth calculation be done once per group of references.

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/branches/CONNECTORS-1118@1644118 13f79535-47bb-0310-9956-ffa450edef68
Create two new interfaces to cache connection instances.

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/branches/CONNECTORS-1118@1644129 13f79535-47bb-0310-9956-ffa450edef68
Change IIncrementalIngester api to allow for minimal work setting up pipelines.

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/branches/CONNECTORS-1118@1644162 13f79535-47bb-0310-9956-ffa450edef68
Fix for CONNECTORS-1118. Warning: change to the IIncrementalIngester API.

git-svn-id: https://svn.apache.org/repos/asf/manifoldcf/trunk@1644197 13f79535-47bb-0310-9956-ffa450edef68