disable starting the daemon on windows

daemon.go

@@ -0,0 +1,26 @@
+// +build !windows
+
+package docker
+
+import (
+	"io/ioutil"
+	"os"
+)
+
+const dockerExe = "/usr/local/bin/docker"
+const dockerdExe = "/usr/local/bin/dockerd"
+
+func (p Plugin) startDaemon() {
+	cmd := commandDaemon(p.Daemon)
+	if p.Daemon.Debug {
+		cmd.Stdout = os.Stdout
+		cmd.Stderr = os.Stderr
+	} else {
+		cmd.Stdout = ioutil.Discard
+		cmd.Stderr = ioutil.Discard
+	}
+	go func() {
+		trace(cmd)
+		cmd.Run()
+	}()
+}