Start using versioneer to manage versions.
Git doesn't need to care about MANIFEST.
Make sure ReadTheDocs doesn't have -dirty suffix in version.
Not prefix, suffix.
Python 3.4 tests pass, so explicitly support it.

(Twisted doesn't yet support 3.4 so there's no 3.4 Twisted tox build.)
Mention IRC channel.
Merge pull request #117 from ClusterHQ/irc-98

Mention IRC channel.

Fixes #98.
News.
Merge pull request #114 from ClusterHQ/versioneer-73

Use Versioneer for version management.

Fixes #73.
Merge pull request #115 from ClusterHQ/python3.4-55

Python 3.4 tests pass, so explicitly support it.

Fixes #55.
Address review comments: Tweak titles some more.
Merge remote-tracking branch 'refs/remotes/origin/master' into doc-titles-113