use email as first name if missing
catch exceptions from repeated mailchimp API calls
handle case when email changes
Merge remote-tracking branch 'origin/multimedia-case-properties' into autostaging
Merge remote-tracking branch 'origin/sql-dailyformstats' into autostaging
Merge remote-tracking branch 'origin/pretty-user-display' into autostaging
Merge remote-tracking branch 'origin/cache-locations' into autostaging
Merge remote-tracking branch 'origin/hq-dropdown' into autostaging
Merge branch 'more-bulk-uploads' into autostaging
Merge branch 'mailchimp' into autostaging
update submodule refs