Tentative compat mode
Clean-ups in 'opam-admin check'
More normalization
Fix projection of .comp file to OPAM 1.0 format
Merge branch 'master' of github.com:OCamlPro/opam into compat-mode

Conflicts:
	src/client/opamArg.ml
	src/core/opamGlobals.ml
Fix build
Merge pull request #903 from samoht/compat-mode

Tentative compat mode