Merged in feature/from-pantheon (pull request #16)

code from pantheon

* code from pantheon

wp/wp-content/plugins/wordpress-seo/admin/metabox/interface-metabox-analysis.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Admin\Metabox
+ */
+
+/**
+ * Describes an interface for an analysis that can either be enabled or disabled.
+ */
+interface WPSEO_Metabox_Analysis {
+
+	/**
+	 * Whether this analysis is enabled.
+	 *
+	 * @return bool Whether or not this analysis is enabled.
+	 */
+	public function is_enabled();
+
+	/**
+	 * Whether or not this analysis is enabled by the user.
+	 *
+	 * @return bool Whether or not this analysis is enabled by the user.
+	 */
+	public function is_user_enabled();
+
+	/**
+	 * Whether or not this analysis is enabled globally.
+	 *
+	 * @return bool Whether or not this analysis is enabled globally.
+	 */
+	public function is_globally_enabled();
+}