Fix compilation of opam-lib.

Fix #449
Add new version of opam-lib
Merge pull request #463 from samoht/master

Fix opam-lib.0.9.1 + new version
Add new version of OPAM
Merge pull request #464 from samoht/master

New release of OPAM (0.9.4)
Added package for OCaml-bitcoin 1.1
Merge pull request #466 from darioteixeira/master

Added package for OCaml-bitcoin 1.1
Final 109.11.00 release of the Core suite
Add ocaml_plugin.109.11.00 package
Merge pull request #460 from janestreet/core-109.11.00

Added release 109.11.00 of packages of the core suite
Final 109.11.00 release of ocaml_plugin
Merge pull request #467 from janestreet/ocaml_plugin-109.11.00

Add ocaml_plugin.109.11.00 package
file name was not descr but desc
Merge pull request #468 from camlspotter/pr

file name was not descr but desc
Add ocamlclean.
Add ocapic.
Add ocamlcc.
Add ocamlpp.
Merge pull request #469 from bvaugon/master

New packages: ocamlclean, ocapic, ocamlcc and ocamlpp.
add allocation profiling branch