[Fix bug 746203] Whitelist HTTPS gravatars.
[Fix bug 746203] Whitelist HTTPS gravatars.

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