A collection of async functionality and additions from the future.

Gerrit User 22348 6bbc3d4104 Update patch set 1 ... Patch Set 1: Build succeeded (promote pipeline). - promote-openstack-tox-docs https://zuul.opendev.org/t/openstack/build/3412459b19d448ee89a2ad9fd384e625 : SUCCESS in 1m 30s Patch-set: 1 Tag: autogenerated:zuul:promote		2020-06-23 19:13:32 +00:00
61389a15d0b5b45eea083983b0fb5051504503c6	Update patch set 1	2020-06-23 17:55:21 +00:00