Fixed AutoHostname not padding MAC with 0 - omniti-labs/kayak issue #4
Proper fix for AutoHostname - omniti-labs/kayak issue #4
AutoHostname - allow empty suffix. (use "AutoHostname -")
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Jorge Schrauwen <sjorge+ml@blackdot.be>
Approved by: Dan McDonald <danmcd@omniti.com>