merlin: teach assemblage how to speak to merlin
merlin: produce .merlin files for every setup
merlin: assemblage, describe thyself!
merlin: update CHANGES and README to reflect merlin support
merlin: only use unit, lib, and bin build directories
README: update "assemblage describe"
opam: remove unused ocamlgraph dependency
merlin: remove .merlin for self because bootstrap.sh does it now
Merge pull request #111 from dsheets/merlin

Merlin support
Add .merlin to distclean

Also, .gitignore it. Fixes #112.
Merge pull request #114 from dsheets/merlin

Add .merlin to distclean