Add optional argument ?limit to Arg.align

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@15349 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Add doc about optional argument ?limit of Arg.align

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@15350 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
PR#6553: add missing options to ocamldoc

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@15351 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02
Update Changes for Arg.align ?limit and PR#6553

git-svn-id: http://caml.inria.fr/svn/ocaml/version/4.02@15352 f963ae5c-01c2-4b8c-9fe0-0dff7051ff02