Update dependencies

vendor/github.com/kortschak/wol/LICENSE

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+Copyright ©2015 Dan Kortschak. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+    * Redistributions of source code must retain the above copyright
+      notice, this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+      notice, this list of conditions and the following disclaimer in the
+      documentation and/or other materials provided with the distribution.
+    * The name of the author may not be used to endorse or promote products
+      derived from this software without specific prior written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

vendor/github.com/kortschak/wol/README.md

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+wol implements a very simple Wake On LAN client and supporting Wake function.
+
+## Installation
+
+wol requires a [Go](http://golang.org) installation.
+
+## Documentation
+
+http://godoc.org/github.com/kortschak/wol
+
+## License
+
+wol is distributed under a modified BSD license.
+
+

vendor/github.com/kortschak/wol/wol.go

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+// Copyright ©2016 Dan Kortschak. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Package wol provides a Wake On LAN function.
+package wol
+
+import (
+	"bytes"
+	"errors"
+	"io"
+	"net"
+)
+
+const magicLen = 6 + 16*6
+
+// Wake sends a Wake On LAN magic packet for the given MAC address
+// at the given remote address. If local is not nil, it is used as
+// the local address for the connection to send on.
+func Wake(mac net.HardwareAddr, pass []byte, local, remote *net.UDPAddr) error {
+	if len(mac) != 6 {
+		return errors.New("wol: bad MAC address")
+	}
+	switch len(pass) {
+	default:
+		return errors.New("wol: bad password length")
+	case 0, 6:
+	}
+	var magic [magicLen + 6]byte
+	copy(magic[:], []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff})
+	buf := bytes.NewBuffer(magic[:6])
+	for i := 0; i < 16; i++ {
+		buf.Write(mac)
+	}
+	buf.Write(pass)
+	if buf.Len() != magicLen+len(pass) {
+		panic("wol: unexpected packet length")
+	}
+
+	conn, err := net.DialUDP("udp", local, remote)
+	if err != nil {
+		return err
+	}
+	defer conn.Close()
+
+	n, err := conn.Write(buf.Bytes())
+	if err != nil {
+		return err
+	}
+	if n < magicLen+len(pass) {
+		return io.ErrShortWrite
+	}
+	return nil
+}