Imports of package traits

PathSynopsis
encoding/gobPackage gob manages streams of gobs - binary values exchanged between an Encoder (transmitter) and a Decoder (receiver).
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/purpleidea/mgmt/enginePackage engine represents the implementation of the resource engine that runs the graph of resources in real-time.