Merge pull request #601 from Chris00/master

Update some packages using oasis2opam
zipperposition: make compilation procedure compatible with MacOS X
Merge pull request #602 from planar/compat-zipperposition-macos

zipperposition: make compilation procedure compatible with MacOS X
merlin: 1.0 version
Merge pull request #603 from asmanur/master

merlin: 1.0 version
Update lacaml using oasis2opam
Update xmlm using oasis2opam
Update zed using oasis2opam
Get rid of oasis dependency for weberizer.

Package generated with oasis2opam.
Deprecate ocaml-taglib
Update uutf using oasis2opam
Ipdate uunf using oasis2opam