Update and rename README to README.md
Update README.md
Update README.md
Update README.md
environnement clean
Merge remote-tracking branch 'origin/master'
delete classes
merge with opam-client
merge opam-client
Merge branch 'master' of github.com:xdzhou/OPAM-INT

Conflicts:
	README.md
Update README.md
Update README.md
Merge remote-tracking branch 'origin/master' into dev