relinker: Improve logging
relinker: Improve logging

Use the logger we instantiated in more places.

Pass the logger to audit_location_generator so we stand a chance at
actually seeing messages about failed mount checks.

Change-Id: Idda6512c0a2bc324bdba9ec341ec81d78b7b2f67

tipabu/swift,openstack/swift,tipabu/swift,openstack/swift,openstack/swift,openstack/swift,tipabu/swift,tipabu/swift