Merge pull request #17 from Chris00/master

Record in the time-stamp of setup.ml the last time it was updated.
Merge pull request #18 from Chris00/master

Fix the _oasis Maintainers field.
make it work with OCaml 3.12.1
omd_parser.ml: add support for <br/> and <hr/> (notice there is no space before the slash)
prelim implementation of markdown target
adapt html output for omd to reach (correct) fixpoint rapidly
deactivate the contents of src/omd_xtxt.ml{,i} for now, just in case
omd_lexer.ml: fix https://github.com/pw374/omd/issues/20
change version 0.1 to 0.2
generate opam packages that don't refer to test_cow
deleted: create_opam_package.bash; new way is in Makefile
add option -version to print omd's version (and packaging date)
change to v0.3 (for next release)
omd_main.ml: provide option -P for not making paragraphs.

For instance, `*foo*` turns to `<em>foo</em>`  instead of `<p><em>foo</em></p>`
omd_main.ml: fix -toc and -otoc parameters
omd_parser.ml: <br/> after 2 or more spaces before line break
Merge branch 'master' of github.com:pw374/omd
tests/cow/dfb-links-rp.html:fix
tests/cow/dfb-list-with-cb.html: fix
tests/cow/list-with-code.html: fix