Fix ISLANDORA-832
Merge pull request #467 from ruebot/7.x-ISLANDORA-832

Fix ISLANDORA-832
Update README and create XACMLs for anonymous ingestion.
Merge pull request #468 from jordandukart/7.x-anonymous-ingest

Update README and create XACMLs for anonymous ingestion.
rules integration during ingest
Use redirect set in form state before defaulting to the object.
Merge pull request #472 from jordandukart/7.x-ingest-steps-redirect

Use redirect set in form state before defaulting to the object.
date time available
Merge pull request #471 from willtp87/7.x.rules

rules integration during ingest
Make the "undo_function" bit optional.

The "undo_function" part of callbacks was required, even though it
might not be required for functionality... Make it optional, so we
don't end up making/using no-op functions to avoid doing anything.
Try getting rid of the "upgrade-all" shenanigans.
Merge pull request #474 from adam-vessey/7.x-fix-travis

Try getting rid of the "upgrade-all" shenanigans.
Merge remote-tracking branch 'origin/7.x' into 7.x-USDA-41
Merge pull request #473 from adam-vessey/7.x-USDA-41

Make the "undo_function" bit optional.