boto shouldn't be required for production deploys
boto shouldn't be required for production deploys

... if you're not using ec2/s3.

Fixes bug 949631

bin/nova-manage imports auth.manager which imports auth.signer which
tries to import boto...  but nova-manage doesn't try to authenticate.

This patch allows bin/nova-manage to work if you don't have boto
installed.

Change-Id: I9b7929a15b991498ab0491821521ec20ed0da65c

n0ano/ganttclient