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/server/controllers/api-v3/groups.js

@@ -607,6 +607,7 @@ async function _inviteByEmail (invite, group, inviter, req, res) {
   let userToContact = await User.findOne({$or: [
     {'auth.local.email': invite.email},
     {'auth.facebook.emails.value': invite.email},
+    {'auth.google.emails.value': invite.email},
   ]})
   .select({_id: true, 'preferences.emailNotifications': true})
   .exec();