ocaml/opam — pull request #1507 by AltGr (2014-07-08 13:49:16+00:00)
Title: Re-enabled read locks

The part that needed fixing for the tests was that some 'switch' commands were
keeping a global lock for package installs. They now properly relax to a
switch lock once the global operations are done, before getting to package
installs

Closes #1302