Imports of cbt command

PathSynopsis
bytesPackage bytes implements functions for the manipulation of byte slices.
cloud.google.com/go/bigtablePackage bigtable is an API to Google Cloud Bigtable.
cloud.google.com/go/bigtable/internal/cbtconfig
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
encoding/csvPackage csv reads and writes comma-separated values (CSV) files.
errorsPackage errors implements functions to manipulate errors.
flagPackage flag implements command-line flag parsing.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
go/formatPackage format implements standard formatting of Go source.
google.golang.org/api/iterator
google.golang.org/api/option
google.golang.org/grpcPackage grpc implements an RPC system called gRPC.
ioPackage io provides basic interfaces to I/O primitives.
logPackage log implements a simple logging package.
osPackage os provides a platform-independent interface to operating system functionality.
regexpPackage regexp implements regular expression search.
sortPackage sort provides primitives for sorting slices and user-defined collections.
strconvPackage strconv implements conversions to and from string representations of basic data types.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
text/tabwriterPackage tabwriter implements a write filter (tabwriter.Writer) that translates tabbed columns in input into properly aligned text.
text/templatePackage template implements data-driven templates for generating textual output.
timePackage time provides functionality for measuring and displaying time.
unicodePackage unicode provides data and functions to test some properties of Unicode code points.