Fix for infinity capacity reporting in EQL driver
Fix for infinity capacity reporting in EQL driver

Updated default values for total and free capacity from infinity to 0.
No more usage of unknown or infinity.

Closes bug: #1421843

Change-Id: I8bebdb9f54642ffb6ab77e81f759549db3ab838a

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