Metacat

correct the "?" links in the admin pages to the docs pages that are deployed as part of metacat.

integrate ecoinformatics login with the CIlogon identity mapping flow so that a user is directed through the process with no manual navigation needed (at least in the url bar). https://redmine.dataone.org/issues/1480

ajax-ify the call to perform identity mapping (including errors)

look up CN url for portal servlet instead of hardcoding it.

look up CN url for portal servlet instead of hardcoding it.

include CILogon link and more explanation about what is going on with the mapping.

correctly check that user is logged into metacat before proceeding

use null session for now

draft of legacy-to-d1 account mapping interface