Merge pull request #44 from guardian/add-group-checker

Add google group checker

Author: susiecoleman

pan-domain-auth-play_2-6/src/main/scala/com/gu/pandomainauth/action/Actions.scala

@@ -70,7 +70,9 @@ trait AuthActions {
 
   val GoogleAuth = new GoogleAuth(settings.googleAuthSettings, system, authCallbackUrl)
 
-  val multifactorChecker = settings.google2FAGroupSettings.map(new Google2FAGroupChecker(_, panDomainSettings.bucket))
+  val multifactorChecker: Option[Google2FAGroupChecker] = settings.google2FAGroupSettings.map(new Google2FAGroupChecker(_, panDomainSettings.bucket))
+
+  val groupChecker: Option[GoogleGroupChecker] = settings.google2FAGroupSettings.map(new GoogleGroupChecker(_, panDomainSettings.bucket))
 
   /**
     * A Play session key that stores the target URL that was being accessed when redirected for authentication