Imports of package portmapper

PathSynopsis
errorsPackage errors implements functions to manipulate errors.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/dotcloud/docker/pkg/iptables
github.com/dotcloud/docker/pkg/proxy
netPackage net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.