Updated aifad, cfg, gpr, gsl, lacaml, pcre-ocaml, pomap, postgresql-ocaml, res, and sqlite3-ocaml
Merge https://github.com/OCamlPro/opam-repository
Fixed gsl depexts
Merge https://github.com/OCamlPro/opam-repository
Added missing OCaml version constraint for AIFAD
Merge pull request #1450 from mmottl/master

Updated aifad, cfg, gpr, gsl, lacaml, pcre-ocaml, pomap, postgresql-ocam...