Turn down verbosity for the glance barclamp by default.
No longer require swift.
Merge pull request #79 from VictorLowther/pull-req-release-pebbles-master-898b27a701f199b0536ae0303358a67f6f08c00f

Turn down default logging verbosity for glance, ipmi, swift, and keystone. [3/4] - looks fine- WA