docs: rewrite index page (including dangling links to future docs)
This has been reviewed to death on the evolve-testers mailing list.
I've made some minor tweaks since the last round of reviews, but the
main content is the same.
# Copied from histedit setup.py
# Credit to Augie Fackler <durin42@gmail.com>
from distutils.core import setup
setup(
name='hg-evolve',
version='4.0.0',
author='Pierre-Yves David',
maintainer='Pierre-Yves David',
maintainer_email='pierre-yves.david@ens-lyon.org',
url='https://bitbucket.org/marmoute/mutable-history',
description='Flexible evolution of Mercurial history.',
long_description=open('README').read(),
keywords='hg mercurial',
license='GPLv2+',
py_modules=['hgext.evolve'],
)