Merge pull request #26 from samoht/master

Various fixes
relicense JSON as ISC to match the rest of the library.

With e-mail permission from @djs55 and @samoht.

Partially addresses #23
Code: correctly highlight integer literals such as `1_000_000`

closes #24
sync CHANGES
release 0.6.2
Make dynamic linking optional when configuring.
Merge pull request #28 from pgj/master

Make dynamic linking optional when configuring.
sync CHANGES to 1b93faf567af83c17035f2f87f2db143e1746c47
Add support for `<xml:base>` in Atom feeds.

Note that the implementation is a horrendous hack, due to #29
preventing the direct use of quotations
revert fieldslib dep, noticed by @samoht
Add an OPAM script to install dependencies
sync CHANGES and mli
Add Travis scripts, and improve test .gitignore
remove the OPAM script, as its better handled by a smarter OPAM
travis: add missing dyntype dep
travis: and finally, add ounit
whitespace
[merlin] add merlin support
[lib] add (inefficient) markdown support via `omd`
[travis] add omd dependency