Turn down default logging verbosity for glance, ipmi, swift, and keystone. [1/4]

We were being too verbose in our logging by default.  This pull
request turns down the volume so we don't drown in logfiles quite so fast.


 chef/data_bags/crowbar/bc-template-swift.json |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

Crowbar-Pull-ID: 898b27a701f199b0536ae0303358a67f6f08c00f

Crowbar-Release: pebbles