Bug 1047569 - /about page, add new strings for links

git-svn-id: https://svn.mozilla.org/projects/mozilla.com/trunk/locales/he@131132 4eb1ac78-321c-0410-a911-ec516a8615a5
about: remove final period on one string

git-svn-id: https://svn.mozilla.org/projects/mozilla.com/trunk/locales/he@131139 4eb1ac78-321c-0410-a911-ec516a8615a5