user registration now no longer sends a welcome email if no emailers are present

src/plugins.js

@@ -202,8 +202,8 @@ var fs = require('fs'),
 		} else return;
 	};
 
-	Plugins.hasListeners = function(hook, callback) {
+	Plugins.hasListeners = function(hook) {
-		return Plugins.loadedHooks[hook].length > 0;
+		return (Plugins.loadedHooks[hook] && Plugins.loadedHooks[hook].length > 0);
 	};
 
 	Plugins.fireHook = function(hook, args, callback) {

src/user.js

@@ -886,6 +886,10 @@ var bcrypt = require('bcrypt'),
 
 	User.email = {
 		verify: function(uid, email) {
+			if (!plugins.hasListeners('action:email.send')) {
+				return;
+			}
+
 			var confirm_code = utils.generateUUID(),
 				confirm_link = nconf.get('url') + '/confirm/' + confirm_code;