updated the clj-cas version number
added code to request proxy granting tickets
Initial commit of COGE genome viewer integration.

Added a secured/view-genomes endpoint that takes a JSON array of paths in a POST body that are to be shared and submitted to the COGE genome viewer service.
Returns the viewer URL in its response.
added code to obtain actual proxy tickets
added the coge-view URL to the tree manifest
Changed the return value of the ticket creation to URLs.
added some missing function arguments
Fixed the return value of the tickets endpoint.
Updated COGE endpoint to /coge/load-genomes.

Changed from /view-genomes.
Updates to COGE genome viewer integration.

The CAS ticket must now be included in the JSON POST body instead of a URL param.
The 'restricted' value is now a proper boolean.
Removed unused :use function.
COGE genome service now returns boolean 'success'

in its JSON responses, rather than a 'status' string.
updated the format of the URLs in the manifest service
Updated services.coge error handling and logging.

Removed obsolete ticket param from COGE service URL.