Move "image_file_url" config options to the central location 'nova/conf'. Change-Id: I25406487d9fb381550a784af3b054be89d437f59 Implements: bp centralize-config-options-newton
Move "image_file_url" config options to the central location 'nova/conf'. Change-Id: I25406487d9fb381550a784af3b054be89d437f59 Implements: bp centralize-config-options-newton