Imports of preloader command

PathSynopsis
compress/zlibPackage zlib implements reading and writing of zlib format compressed data, as specified in RFC 1950.
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
encoding/gobPackage gob manages streams of gobs - binary values exchanged between an Encoder (transmitter) and a Decoder (receiver).
flagPackage flag implements command-line flag parsing.
github.com/golang/glogPackage glog implements logging analogous to the Google-internal C++ INFO/ERROR/V setup.
github.com/google/certificate-transparency-goPackage ct holds core types and utilities for Certificate Transparency.
github.com/google/certificate-transparency-go/clientPackage client is a CT log client implementation and contains types and code for interacting with RFC6962-compliant CT Log instances.
github.com/google/certificate-transparency-go/jsonclientPackage jsonclient provides a simple client for fetching and parsing JSON CT structures from a log.
github.com/google/certificate-transparency-go/preloadPackage preload holds code for adding batches of certificates to CT logs.
github.com/google/certificate-transparency-go/scannerPackage scanner holds code for iterating through the contents of a CT log.
github.com/google/certificate-transparency-go/x509Package x509 parses X.509-encoded keys and certificates.
ioPackage io provides basic interfaces to I/O primitives.
io/ioutilPackage ioutil implements some I/O utility functions.
net/httpPackage http provides HTTP client and server implementations.
osPackage os provides a platform-independent interface to operating system functionality.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
timePackage time provides functionality for measuring and displaying time.