Imports of multirootca command

PathSynopsis
crypto/ecdsaPackage ecdsa implements the Elliptic Curve Digital Signature Algorithm, as defined in [FIPS 186-5].
crypto/rsaPackage rsa implements RSA encryption as specified in PKCS #1 and RFC 8017.
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
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.
github.com/cloudflare/cfssl/apiPackage api implements an HTTP-based API and server for CFSSL.
github.com/cloudflare/cfssl/api/infoPackage info implements the HTTP handler for the info command.
github.com/cloudflare/cfssl/authPackage auth implements an interface for providing CFSSL authentication.
github.com/cloudflare/cfssl/certdb/sql
github.com/cloudflare/cfssl/helpersPackage helpers implements utility functionality common to many CFSSL packages.
github.com/cloudflare/cfssl/logPackage log implements a wrapper around the Go standard library's logging package.
github.com/cloudflare/cfssl/multiroot/configPackage config contains the multi-root configuration file parser.
github.com/cloudflare/cfssl/signerPackage signer implements certificate signature functionality for CFSSL.
github.com/cloudflare/cfssl/signer/localPackage local implements certificate signature functionality for CFSSL.
github.com/cloudflare/cfssl/whitelistPackage whitelist implements IP whitelisting for various types of connections.
github.com/cloudflare/go-metrics
github.com/go-sql-driver/mysqlPackage mysql provides a MySQL driver for Go's database/sql package.
github.com/lib/pqPackage pq is a pure Go Postgres driver for the database/sql package.
io/ioutilPackage ioutil implements some I/O utility functions.
netPackage net provides a portable interface for network I/O, including TCP/IP, UDP, domain name resolution, and Unix domain sockets.
net/httpPackage http provides HTTP client and server implementations.
net/http/httputilPackage httputil provides HTTP utility functions, complementing the more common ones in the net/http package.