Code: restore stdout and stderr in case an exception occurs.
Code: strengthen the display of the location of the error.
Code: add #load directive (does not work).
Code: allow optional parentheses around arguments.
Tutorial: faq: highlight code (still a few problems though).
Merge branch 'master' of github.com:ocaml/ocaml.org
Companies: add Facebook.
Code: remove the possibility to include code from a file.

This is considered to be too brittle.
Code: decode HTML entities before passing the code to OCaml.

Some symbols like <, >,... may need to be encoded to be acceptable
(and parsed correctly) within a <pre> body.
Tutorials: update "Labels" with the code (with proper escaping).