support: add OCaml Labs

Closes #85.
support: add Gerd Stolpmann

Closes #87.
install: update GODI description
Merge pull request #94 from voila/master

Issue #90
add links to tutorials added in 879e4d0c40d020959c31a32620dc30db4659032c
fix broken links due to relative caml.inria.fr href

Partially resolves #90.
Add "Première OPAM Party" to the meetings.
Added missing tutorial: compiling_with_omake