Remove overrides of build timeouts and intervals

The upstream default values are high but there is really no reason to change
them.

Change-Id: I1834a5da6ce3a314b1b068c44b315b1afed3318d
Force glance client reconnection after call to create

Work-around for https://bugs.launchpad.net/python-glanceclient/+bug/1392853

Change-Id: Id9351b6db9a3e81b6e53e93afa6a821183dbfec3
Merge "Force glance client reconnection after call to create" into juno