Vendor drop 352465 ocaml
Merge branch 'vendor'
Vendor drop 353278 ocaml
Merge branch 'vendor'
Vendor drop 357397

- ocaml
- ocaml-calendar
- ocaml-camomile
- ocaml-cppo
- ocaml-event
- ocaml-expat
Merge branch 'vendor'
Update to ocaml-gsl 1.15.1
Support staging
Improve staging support for findlib
Fix download URL
Add pkg-plist
Fix installation directory for documentation
Reimport old header