[arvados-dispatch-cloud] should not include "on hold" containers in "queued" metrics

Arvbox doesn't start because of ruby >= 2.4 requirements on api server

[Workbench] Use trigram based full text search.

[api] deleting all keep_service records results in 422 error on subsequent request for keep_service list

OPTIONS on /arvados/v1/config returns status 503

getListenAddr behavior with multiple instances on same host

[Workbench2] Property Keys are converted into Camel Case Format in Collection View

Make the welcome/login page configurable

[CWL] workflow hangs after getting 502 Bad Gateway

[SDK] Migrate federation to central LoginCluster