Upgrade path from OPAM 1.0 to OPAM 1.1
Display the full set/map when --debug is enabled
Move guess_repository_kind at the right place
Split OpamMain into two pieces

OpamArg holds the command-line flags, and OpamMain just call the final function. This is useful to easily create alternative binaries using the same command line arguments as OPAM.
Remove spammy debug messages
Pinned repositories with multiple authors don't have their opam metadata properly reserialized
Merge branch 'master' of github.com:OCamlPro/opam

Conflicts:
	src/client/opamState.ml