REL: Tag release candidate v0.3.0rc1

BLD: Simplify setup. Require setuptools.

BLD: Remove ez_setup entirely. We require setuptools.

BLD: Fix spelling error in MANIFEST.in

BLD: Include ez_setup.py in MANIFEST.in.

Merge pull request soft-matter#165 from danielballan/setup-revisions

Add LICENSE and README.md to MANIFEST.in

Merge pull request soft-matter#164 from danielballan/hotfix-annotate

FIX : Quick fix to soft-matter#155

Merge pull request soft-matter#136 from nkeim/rel-0.2.2

RLS: Changed version to 0.2.2

RLS: Version 0.2.1