Add basic user admin UI plus framework for group admin. [#EW-32]
Merge branch 'userAdmin' into develop

TODO: Group Admin, app user admin sections
Fix element id conflict [#EW-58 #resolve]
Add ability to modify user groups. #EW-32 #comment Added group memberships tab.
Merge branch 'userAdmin' into develop
remove JIRA test file.
Disable some destructive actions when editing own profile.
Fix derp in previous commit.
Update 0004_new_default_signatures.py
Update signaturetypedefaults.json
Add data migration to fix data site import.
Add N944 to wormhole type fixture.
Add API Key panel to user admin. #EW-32
Old calendar API UI is now more resilient to API failure.
First iteration of Groups admin. TODO: Membership editing. #EW-32
Merge branch 'group_admin' into develop
Fix bug with group list pagination.
Show absolute time wormhole is set EOL. #EW-65 #resolve
Merge branch 'eolTime' into develop
Refresh user and group admin lists on save.