AIP download: fix conditional
Roughed in AIP recovery model functionality.
Added endpoint to submit recovery requests to.
Refactored delete/recover endpoints.

Conflicts:
	storage_service/locations/api/resources.py
Added AIP request administration to UI.
Refactoring AIP request handler.
Removed setting used during testing. Got recovery working.
Added corrupt files backup during AIP restore.
Setting for where bad AIP files get backed up.

Added a setting allowing the directory where bad AIP files should be
copied to to be specified.
Added warnings if AIP restore backup dir not set.
Added deletion of temp package.
Fixed issue caused by refactor.
Added auto-create recovery location.

Conflicts:
	storage_service/locations/models.py
	storage_service/storage_service/urls.py
Fixed issue with request descriptions.
Fixed recover request approve issue.
Fixed two small issues.
Got rid of setting and added dir creation.

Got rid of the recover_backup_path_within_location setting and added
auto-creation of the recover and recover/backup paths within the
internal storage space.

Conflicts:
	storage_service/storage_service/urls.py
Message if delete/recovery request to wrong type.

Added return of a message in a JSON response if a delete or recovery
request is made to the wrong package type.