Major rewrite

* use dep for vendoring
* lets encrypt
* moved web to transfer.sh-web repo
* single command install
* added first tests

vendor/github.com/golang/gddo/httputil/httputil.go

@@ -0,0 +1,25 @@
+// Copyright 2013 The Go Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file or at
+// https://developers.google.com/open-source/licenses/bsd.
+
+// Package httputil is a toolkit for the Go net/http package.
+package httputil
+
+import (
+	"net"
+	"net/http"
+)
+
+// StripPort removes the port specification from an address.
+func StripPort(s string) string {
+	if h, _, err := net.SplitHostPort(s); err == nil {
+		s = h
+	}
+	return s
+}
+
+// Error defines a type for a function that accepts a ResponseWriter for
+// a Request with the HTTP status code and error.
+type Error func(w http.ResponseWriter, r *http.Request, status int, err error)