Since currently only Emacs 24.3 works, disable the other Emacsen on Travis.
Fixing unhelpful docstring.
Don't bother with a separate API changelog, one changelog is sufficient.
Release v2.0 with a friendlier, more consistent naming scheme.
Adding Travis CI badge.
Also run travis on 24.2.
Adding cl-lib as a dependency for Emacs 24.2 unit tests.
Adding gnu.elpa.org as a source for dependencies.