fix theme commit test on jenkies
move out of the second transaction (bug 871834)
Upgrading celery and dependent libraries (bug 825938)

Note: Don't merge until the backend is ready to upgrade rabbitmq.
Celery now requires billiard
return the correct permissions for /account/login/ API endpoint (bug 871841)
Switch Persona URLs (bug 872169)
Re-enable forceIssuer with prefix (bug 850084)
Merge pull request #763 from kumar303/persona-urls

Switch Persona URLs and re-enable force issuer
Updated ES_INDEXES to be consistent and based on lib/settings_base
Bump newrelic.
docs for payment accounts API (bug 869553)
checksum personas to detect dupes (bug 641644)
migration script to calculate checksums for all themes (bug 641644)
Merge pull request #741 from ngokevin/duppersona

checksum personas to detect dupes (bug 641644)
fix overlapping sidebar /w footer when empty theme queue (bug 857072)
make theme edit error tooltips more readable (bug 863250)