Use nova.conf for auth_token configs.

Updates lib/nova so that we use the application config file (nova.conf)
instead of the Nova api-paste.ini config file.

Related-Bug #1240753

Change-Id: I393a67f1f005e775928130c9241aa7e25c391ae3
Use cinder.conf for auth_token configs.

Updates lib/cinder so that we use the application config file (cinder.conf)
instead of the Cinder api-paste.ini config file.

Related-Bug #1240753

Change-Id: I6636d33ee522757145ac97fc354324a8b9379700
Fix typos and thinkos in docs

Updates for the new major features and some clarification

Partial-Bug: #1235626

Change-Id: If2da63e62a14894e498b4163b5052d9b2b2069ed
Merge "Fix typos and thinkos in docs" into stable/havana
Merge "Use cinder.conf for auth_token configs." into stable/havana
Merge "Use nova.conf for auth_token configs." into stable/havana
Set swift timeouts higher

Devstack is commonly run in a small slow environment, so bump the
timeouts up.

node_timeout is how long between read operations a node takes to
respond to the proxy server
conn_timeout is all about how long it takes a connect() system call to
return

Change-Id: Ib437466a3fc9274b8aa49b19e4fe7fa26f553419
Co-Authored-By: Peter Portante <peter.portante@redhat.com>
Related-Bug: #1252514
(cherry picked from commit a2f2bba4eca9837a589acc1b5f22789915108b25)
Backport Havana: excercices: aggregates needs to be more flexible

The actual regex checks a result in python format and
because of the change in the bug 1132961, Jekins failed.

I have update the regex to work with the old result
and the new result.

    From: 75e851a

Change-Id: Idb23ddd32f7f7bf0eeecba9794c705365e3b2122
Closes-Bug: 1239726