Added vendor/ directory for Composer's installed files

vendor/illuminate/contracts/Pipeline/Pipeline.php

@@ -0,0 +1,39 @@
+<?php namespace Illuminate\Contracts\Pipeline;
+
+use Closure;
+
+interface Pipeline {
+
+	/**
+	 * Set the traveler object being sent on the pipeline.
+	 *
+	 * @param  mixed  $traveler
+	 * @return $this
+	 */
+	public function send($traveler);
+
+	/**
+	 * Set the stops of the pipeline.
+	 *
+	 * @param  dynamic|array  $stops
+	 * @return $this
+	 */
+	public function through($stops);
+
+	/**
+	 * Set the method to call on the stops.
+	 *
+	 * @param  string  $method
+	 * @return $this
+	 */
+	public function via($method);
+
+	/**
+	 * Run the pipeline with a final destination callback.
+	 *
+	 * @param  \Closure  $destination
+	 * @return mixed
+	 */
+	public function then(Closure $destination);
+
+}