Collapse "min" into project root and get unit tests working.

Fixes #472

lib/Minify/ControllerInterface.php

@@ -0,0 +1,13 @@
+<?php
+
+interface Minify_ControllerInterface {
+
+    /**
+     * Create controller sources and options for Minify::serve()
+     *
+     * @param array $options controller and Minify options
+     *
+     * @return Minify_ServeConfiguration
+     */
+    public function createConfiguration(array $options);
+}