added compatibility for deprecated filter:header.build

remove after 0.7.x

src/navigation/admin.js

@@ -54,7 +54,12 @@ function getAvailable(callback) {
 		return item;
 	});
 
-	plugins.fireHook('filter:navigation.available', core, callback);
+	// DEPRECATION: backwards compatibility for filter:header.build, will be removed soon.
+	plugins.fireHook('filter:header.build', {navigation: []}, function(err, data) {
+		core = core.concat(data.navigation);
+
+		plugins.fireHook('filter:navigation.available', core, callback);
+	});
 }
 
 module.exports = admin;

src/views/admin/general/navigation.tpl

@@ -51,7 +51,7 @@
 					</li>
 					<!-- BEGIN available -->
 					<li data-id="@index" class="alert <!-- IF available.core -->alert-info<!-- ELSE -->alert-success<!-- ENDIF available.core -->">
-						<strong>{available.title}</strong> {available.route}
+						<strong>{available.text}</strong> {available.route}
 						<span class="pull-right badge"><!-- IF available.core -->core<!-- ELSE -->plugin<!-- ENDIF available.core --></span>
 					</li>
 					<!-- END available -->