CORE-4716: added a proxy endpoint for the administrative tool request listing service
CORE-4762: added the proxy endpoint for determining if an app can be made public
CORE-4768: Fixed trailing slashes for URL imports.
Fixed some indentation issues.
CORE-4804: Added guards against trailing slashes for renames, moves,
deletions, and restorations.
Merge branch 'dev' into 2.0