first pass at registrar users creating other registrar users
Code style tweak.
Allow user content on different subdomain.
Optional dev packages.
acceptable performance for all but registry users
fixed broken vested links sort
display email if no first or last name
Merge branch 'develop' of github.com:harvard-lil/perma into develop
Merge branch 'user-content-host' of https://github.com/jcushman/perma into jcushman-user-content-host
Rolled back the temporary single archive header view back in. We
need to nail down the UX for this page before we remove the
function.
Merge branch 'dev-packages' of https://github.com/jcushman/perma into jcushman-dev-packages

Conflicts:
	perma_web/perma/utils.py
Merge branch 'jcushman-dev-packages' into develop
removed data to speed up user management
Merge branch 'develop' of github.com:harvard-lil/perma into develop
user management filters by id
filter vesting orgs by id
fix broken links in manage registrars and vesting orgs
Patched up a sauce test to reflect the new id element name
Merge branch 'develop' of github.com:harvard-lil/perma into develop
A little more fiddling to get the proper xpath for the sauce
thumbnail preview test