Adding the ability to run projects with no build configuration. Runs what plugins it can automatically. Closes #235

PHPCI/ZeroConfigPlugin.php

@@ -0,0 +1,21 @@
+<?php
+/**
+ * PHPCI - Continuous Integration for PHP
+ *
+ * @copyright    Copyright 2013, Block 8 Limited.
+ * @license      https://github.com/Block8/PHPCI/blob/master/LICENSE.md
+ * @link         http://www.phptesting.org/
+ */
+
+namespace PHPCI;
+
+use PHPCI\Model\Build;
+
+/**
+ * PHPCI Plugin Interface - Used by all build plugins.
+ * @author   Dan Cryer <dan@block8.co.uk>
+ */
+interface ZeroConfigPlugin
+{
+    public static function canExecute($stage, Builder $builder, Build $build);
+}