Remove Quota Exception Stack Traces from Cinder Logs
Remove Quota Exception Stack Traces from Cinder Logs

Added an if clause to the Cinder API FaultWrapper so that
a warning is printed rather than an error and stack trace
if an exception of type QuotaError is thrown.

Closes-Bug: 1324294
Change-Id: If91db0f443afc212af3893e27dd36f19b15c43bf

winndows/cinder,Accelerite/cinder,takeshineshiro/cinder,blueboxgroup/cinder,j-griffith/cinder,leilihh/cinder,Hybrid-Cloud/cinder,scality/cinder,JioCloud/cinder,manojhirway/ExistingImagesOnNFS,sasukeh/cinder,scottdangelo/RemoveVolumeMangerLocks,apporc/cinder,Paul-Ezell/cinder-1,phenoxim/cinder,scottdangelo/RemoveVolumeMangerLocks,nikesh-mahalka/cinder,blueboxgroup/cinder,NetApp/cinder,tlakshman26/cinder-https-changes,bswartz/cinder,alex8866/cinder,github-borat/cinder,eharney/cinder,julianwang/cinder,nexusriot/cinder,petrutlucian94/cinder,mahak/cinder,saeki-masaki/cinder,nexusriot/cinder,tlakshman26/cinder-new-branch,hguemar/cinder,openstack/cinder,Hybrid-Cloud/cinder,potsmaster/cinder,sasukeh/cinder,j-griffith/cinder,manojhirway/ExistingImagesOnNFS,tlakshman26/cinder-bug-fix-volume-conversion-full,NetApp/cinder,Nexenta/cinder,cloudbase/cinder,bswartz/cinder,tlakshman26/cinder-new-branch,duhzecca/cinder,leilihh/cinder,JioCloud/cinder,redhat-openstack/cinder,takeshineshiro/cinder,rakeshmi/cinder,alex8866/cinder,mahak/cinder,redhat-openstack/cinder,julianwang/cinder,abusse/cinder,tlakshman26/cinder-https-changes,dims/cinder,abusse/cinder,Paul-Ezell/cinder-1,phenoxim/cinder,github-borat/cinder,duhzecca/cinder,tlakshman26/cinder-bug-fix-volume-conversion-full,Datera/cinder,eharney/cinder,CloudServer/cinder,hguemar/cinder,nikesh-mahalka/cinder,ge0rgi/cinder,winndows/cinder,cloudbase/cinder,apporc/cinder,rakeshmi/cinder,Accelerite/cinder,potsmaster/cinder,CloudServer/cinder,openstack/cinder,Akrog/cinder,petrutlucian94/cinder,Akrog/cinder,saeki-masaki/cinder,Nexenta/cinder,dims/cinder,scality/cinder,Datera/cinder