fixed bug in api/search causing it to crash if term is not passed in via ajaxify, see #1195

src/routes/index.js

@@ -30,7 +30,7 @@ function mainRoutes(app, middleware, controllers) {
 	app.get('/api/outgoing', controllers.outgoing);
 
 	app.get('/search/:term?', middleware.buildHeader, middleware.guestSearchingAllowed, controllers.search);
-	app.get('/api/search/:term', middleware.guestSearchingAllowed, controllers.search);
+	app.get('/api/search/:term?', middleware.guestSearchingAllowed, controllers.search);
 
 	app.get('/reset/:code?', middleware.buildHeader, controllers.reset);
 	app.get('/api/reset/:code?', controllers.reset);