LIBTD-1270: Migrate IAWA Item creation to Hyrax 2.0.0 version
This branch uses the gem for Hyrax 2.0, and the functionality to create and update an item has been migrated.
Note: This branch is part of a bigger branch (LIBTD-1256) for trying to migrate IAWA functionality from Hyrax 1.0.4 to Hyrax 2.0. It may be helpful to compare this branch to master to see additional changes.
In order to test this out, make sure that the active job backend is set to :inline.
Additional notes:
- The Mirador Viewer is not functioning properly. However, because we will be moving to use the Universal viewer eventually, I've left it is for LIBTD-1270.
- The
based_near
field in the Item form has been removed. It's not necessary for the IAWA project.