Imports of beamsh command

PathSynopsis
bufioPackage bufio implements buffered I/O. It wraps an io.Reader or io.Writer object, creating another object (Reader or Writer) that also implements the interface but provides buffering and some help for textual I/O.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
github.com/dotcloud/docker/pkg/beam
github.com/dotcloud/docker/pkg/beam/data
github.com/dotcloud/docker/pkg/dockerscript
github.com/dotcloud/docker/pkg/term
github.com/dotcloud/docker/utils
ioPackage io provides basic interfaces to I/O primitives.
netPackage net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
net/urlPackage url parses URLs and implements query escaping.
osPackage os provides a platform-independent interface to operating system functionality.
os/execPackage exec runs external commands.
pathPackage path implements utility routines for manipulating slash-separated paths.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
text/templatePackage template implements data-driven templates for generating textual output.