Add link to privacy policy (fix bug 676067)
Add link to privacy policy (fix bug 676067)

The link is language-aware (in case the policy is ever translated
into the user's selected locale). I did this in the template because
it was weird and obtuse otherwise.

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