Use a route instead of s.php and convert tokens asap

apps/files_sharing/public.php

config/config.sample.php

core/ajax/share.php

core/js/js.js

core/js/share.js

core/js/tests/specs/shareSpec.js

core/routes.php

core/share/controller.php

lib/private/share/constants.php

lib/private/share/share.php

public.php

s.php