Merge branch 'master' of git://github.com/OCamlPro/opam
Merge branch 'master' of git://github.com/OCamlPro/opam
Merge branch 'master' of git://github.com/OCamlPro/opam
Merge branch 'master' of git://github.com/OCamlPro/opam
Merge branch 'master' of git://github.com/OCamlPro/opam
Merge branch 'master' of git://github.com/OCamlPro/opam
Merge branch 'master' of git://github.com/OCamlPro/opam
Merge branch 'master' of git://github.com/OCamlPro/opam
Update man pages
First round of changes after @dbuenzli useful remarks (see #157)
Merge branch 'master' of github.com:avsm/opam
Merge branch 'cmdliner' of git://github.com/OCamlPro/opam
various typos in cmdliner help
Merge pull request #327 from avsm/master

typos in help
Fix 'opam pin' (#328)
Be more explicit about environment variables.
Improve 'opam switch' help
Add Frederic in the author list and a FURTHER DOCUMENTATION section.
Subcommands are now optional ...

When they are not provided, use a sensible default (e.g. 'list').
Horrible hack to have 'opam config -env' working again.