[fix bug 968945] Add proper messaging when no open membership requests
[fix bug 968945] Add proper messaging when no open membership requests

ChristineLaMuse/mozillians,safwanrahman/mozillians,anistark/mozillians,fxa90id/mozillians,anistark/mozillians,ChristineLaMuse/mozillians,johngian/mozillians,mozilla/mozillians,chirilo/mozillians,johngian/mozillians,hoosteeno/mozillians,chirilo/mozillians,johngian/mozillians,johngian/mozillians,safwanrahman/mozillians,hoosteeno/mozillians,akarki15/mozillians,chirilo/mozillians,akarki15/mozillians,brian-yang/mozillians,anistark/mozillians,akatsoulas/mozillians,fxa90id/mozillians,ChristineLaMuse/mozillians,akarki15/mozillians,brian-yang/mozillians,hoosteeno/mozillians,brian-yang/mozillians,safwanrahman/mozillians,fxa90id/mozillians,mozilla/mozillians,akatsoulas/mozillians,akatsoulas/mozillians,brian-yang/mozillians,akarki15/mozillians,safwanrahman/mozillians,mozilla/mozillians,mozilla/mozillians,justinpotts/mozillians,anistark/mozillians,akatsoulas/mozillians,justinpotts/mozillians,hoosteeno/mozillians,justinpotts/mozillians,fxa90id/mozillians,justinpotts/mozillians,chirilo/mozillians