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

code from pantheon

* code from pantheon

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

@@ -0,0 +1,39 @@
+<?php
+/**
+ * WPSEO plugin file.
+ *
+ * @package WPSEO\Admin\Metabox
+ */
+
+/**
+ * Represents the SEO analysis.
+ */
+class WPSEO_Metabox_Analysis_SEO implements WPSEO_Metabox_Analysis {
+
+	/**
+	 * Whether this analysis is enabled.
+	 *
+	 * @return bool Whether or not this analysis is enabled.
+	 */
+	public function is_enabled() {
+		return $this->is_globally_enabled() && $this->is_user_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() {
+		return ! get_the_author_meta( 'wpseo_keyword_analysis_disable', get_current_user_id() );
+	}
+
+	/**
+	 * Whether or not this analysis is enabled globally.
+	 *
+	 * @return bool Whether or not this analysis is enabled globally.
+	 */
+	public function is_globally_enabled() {
+		return WPSEO_Options::get( 'keyword_analysis_active', true );
+	}
+}