bitstring: add camlp4 dependency
froc: add camlp4 dependency
bisect: add camlp4 dependencies
fix irminsule dependency (sha1 -> sha)

spotted by @AltGr, who is also improving the opamfu error message
upon encountering such incorrect dependencies
minor release of core
Merge pull request #2002 from avsm/master

fix irminsule dependency (sha1 -> sha)
Merge pull request #2003 from janestreet/master

minor release of core
fix auto-conflict and auto-depopts of lwt
deriving-ocsigen: add explicit camlp4 dependency
Merge pull request #2004 from samoht/master

fix auto-conflict and auto-depopts of lwt
Merge branch 'master' of git://github.com/ocaml/opam-repository into camlp4-deps
Re 1.2.2
Re 1.2.2: remove 'files' directory
Re 1.2.2: changed the maintainer
opium 0.8.1
Merge pull request #2007 from vouillon/master

Re 1.2.2
Merge pull request #2008 from rgrinberg/opium081

opium 0.8.1
Remove broken re.install files
Fix and update why3
Merge pull request #2009 from samoht/master

Remove broken re.install files