Add 'replay' to main.lang

git-svn-id: https://svn.mozilla.org/projects/mozilla.com/trunk/locales/he@127009 4eb1ac78-321c-0410-a911-ec516a8615a5
[he] main.lang — Reply [animation] translated as "To show again"

git-svn-id: https://svn.mozilla.org/projects/mozilla.com/trunk/locales/he@127035 4eb1ac78-321c-0410-a911-ec516a8615a5