[embargo & lease] WIP adds ability to evaluate embargo and lease info
[embargo & lease] adds ManagesEmbargo module for finding embargoes and leases that need attention and applying their visibilities
Adds controller, routes and views for managing embargoes
[embargoes & leases] Finishes adding Lease & Embargo management refs #34
 * Moves embargo and lease interpretation at write-time into actor module
[embargoes & leases] minor refactoring
[failing] adding tests & access controls for EmbargoesController
Fixed tests for embargos controller
Extracted EmbargoService and LeaseService. Add tests for LeasesController
Refactoring leases and embargos
Refactoring leases and embargos
Merge branch 'leases_and_embargoes' of github.com:curationexperts/worthwhile into leases_and_embargoes
Merge pull request #14 from curationexperts/leases_and_embargoes

Leases and embargoes