Appease the vndr God

Adjust paths that were not canonical.

Add nested vendors that are required.

Now no errors with latest `vndr`.

Signed-off-by: Justin Cormack <justin.cormack@docker.com>

vendor/github.com/coreos/go-systemd/README.md

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+# go-systemd
+
+[![Build Status](https://travis-ci.org/coreos/go-systemd.png?branch=master)](https://travis-ci.org/coreos/go-systemd)
+[![godoc](https://godoc.org/github.com/coreos/go-systemd?status.svg)](http://godoc.org/github.com/coreos/go-systemd)
+
+Go bindings to systemd. The project has several packages:
+
+- `activation` - for writing and using socket activation from Go
+- `dbus` - for starting/stopping/inspecting running services and units
+- `journal` - for writing to systemd's logging service, journald
+- `sdjournal` - for reading from journald by wrapping its C API
+- `machine1` - for registering machines/containers with systemd
+- `unit` - for (de)serialization and comparison of unit files
+
+## Socket Activation
+
+An example HTTP server using socket activation can be quickly set up by following this README on a Linux machine running systemd:
+
+https://github.com/coreos/go-systemd/tree/master/examples/activation/httpserver
+
+## Journal
+
+Using the pure-Go `journal` package you can submit journal entries directly to systemd's journal, taking advantage of features like indexed key/value pairs for each log entry.
+The `sdjournal` package provides read access to the journal by wrapping around journald's native C API; consequently it requires cgo and the journal headers to be available.
+
+## D-Bus
+
+The `dbus` package connects to the [systemd D-Bus API](http://www.freedesktop.org/wiki/Software/systemd/dbus/) and lets you start, stop and introspect systemd units. The API docs are here:
+
+http://godoc.org/github.com/coreos/go-systemd/dbus
+
+### Debugging
+
+Create `/etc/dbus-1/system-local.conf` that looks like this:
+
+```
+<!DOCTYPE busconfig PUBLIC
+"-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN"
+"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd">
+<busconfig>
+    <policy user="root">
+        <allow eavesdrop="true"/>
+        <allow eavesdrop="true" send_destination="*"/>
+    </policy>
+</busconfig>
+```
+
+## machined
+
+The `machine1` package allows interaction with the [systemd machined D-Bus API](http://www.freedesktop.org/wiki/Software/systemd/machined/).
+
+## Units
+
+The `unit` package provides various functions for working with [systemd unit files](http://www.freedesktop.org/software/systemd/man/systemd.unit.html).