Fix credentials decode for rackspace (mmorsi)
Fix credentials decode for rackspace (mmorsi)

henrysher/imagefactory,LalatenduMohanty/imagefactory,henrysher/imagefactory,jmcabandara/imagefactory,redhat-imaging/imagefactory,redhat-imaging/imagefactory,jmcabandara/imagefactory,LalatenduMohanty/imagefactory