Add Google Signin (#7969)

* Start adding google login

* fix local js issue

* implement syntax suggestions

* fix delete social tests

* Add service for authentication alerts

* fix social login tests

* make suggested google sign in changes

* fix accidentally deleted code

* refactor social network sign in

* fix incorrect find

* implement suggested google sign in changes

* fix(tests): Inject fake Auth module for auth controller

* fix(test): prevent social service from causing page reload

* fix loading user info

* Use lodash's implimentation of find for IE compatibility

* chore: increase test coverage around deletion route

* chore: clean up social auth test

* chore: Fix social login tests

* remove profile from login scope

* fix(api): Allow social accounts to deregister as user has auth backup

* temporarily disable google login button

website/client-old/js/services/authServices.js

@@ -0,0 +1,28 @@
+'use strict';
+
+(function(){
+  angular
+    .module('habitrpg')
+    .factory('Auth', authFactory);
+
+  authFactory.$inject = [
+    '$window',
+    'User',
+    'Analytics'
+  ];
+
+  function authFactory($window, User, Analytics) {
+
+    var runAuth = function(id, token) {
+      User.authenticate(id, token, function(err) {
+        Analytics.login();
+        Analytics.updateUser();
+        $window.location.href = ('/' + window.location.hash);
+      });
+    };
+
+    return {
+      runAuth: runAuth,
+    }
+  }
+}());