api: enable v2 tests on SQLAlchemy & HBase

And there's a lot of tests no passing that I let commanted to someone
can jump in and try to fix these drivers.

Change-Id: Ic81d69735f5c7b227f62ff566e43552fa03ffc50
Merge "api: enable v2 tests on SQLAlchemy & HBase"
Pin the keystone client version

Addresses but does not fix bug # 1194921

Change-Id: I1112f18b7545e90c322dde00b8d08dae6273c9bb
Signed-off-by: Doug Hellmann <doug.hellmann@dreamhost.com>
Bring in oslo-common rpc ack() changes.

Requires https://review.openstack.org/#/c/34573/

Change-Id: I520e792b0ffb4eceac5d97efef606ee98a153744
Merge "Bring in oslo-common rpc ack() changes."
Optionally store Events in Collector

Change-Id: Id4687e075e04278d1db6e8acc805c3fed2bd07bb