Allow filter to work

Fixes #3

Author: GaryJones

class-genesis-header-nav.php

@@ -36,8 +36,8 @@ class Genesis_Header_Nav {
 	 * @since 1.0.0
 	 */
 	private function __construct() {
-		add_action( 'init', array( $this, 'load_plugin_textdomain' ) );
-		add_action( 'genesis_setup', array( $this, 'register_nav_menu' ), 15 );
+		add_action( 'plugins_loaded', array( $this, 'load_plugin_textdomain' ) );
+		add_action( 'init', array( $this, 'register_nav_menu' ) );
 		add_action( 'genesis_header', array( $this, 'show_menu' ), apply_filters( 'genesis_header_nav_priority', 12 ) );
 		add_filter( 'body_class', array( $this, 'body_classes' ), 15 );
 	}

genesis-header-nav.php

@@ -30,4 +30,12 @@
 
 require_once plugin_dir_path( __FILE__ ) . 'class-genesis-header-nav.php';
 
-Genesis_Header_Nav::get_instance();
+add_action( 'after_setup_theme', 'genesis_header_nav_run' );
+/**
+ * Run the plugin.
+ *
+ * @since 1.3.1
+ */
+function genesis_header_nav_run() {
+	Genesis_Header_Nav::get_instance();
+}