Fix typo : args.confirm is a boolean
Merge pull request #1 from JordanP/patch-1

Fix typo : args.confirm is a boolean
A volume not created by qaStressTest can have no name

If a volume is created "by hand" (ie without qaStressTest) it might be that this volume has no name because, in Cinder, a volume name is not required.
Merge pull request #2 from JordanP/patch-2

A volume not created by qaStressTest can have no name