Starting to work on REST API for issue 1933.
Working on displaying requested data parsed from xmlRPC.
Further work on REST
Merged changes from master.
Stumped out transfer approve.
Added API key admin, transfer automation REST API.

refs #1933

Added API key generation and management (via the admin interface).
Added REST endpoint for finding unapproved transfers.
Added REST endpoint for approving transfers.
Merge branch 'dev/issue-1933'