green.ssl: Fix NameError GH-17

https://github.com/eventlet/eventlet/issues/17
doc: index page major update

- Prefer pip over easy_install
- Link to Github, build.eventlet.net
- Pull request policy
- Web crawler example rewritten with client side code highlighter -- easier to read source
- Non-blocking Ohloh widget iframe
- Add Travis build image
add gitignore
tox: Add pep8 and flake8 configuration in tox.ini

This helps ensuring everyone uses the code checkers with the same
configuration.  Initial values based on earlier discussion.  The
max-line-length is currently just based on the screen width I have
on my netbook.
Rename README{,.rst} for Github render; Thanks to Thomas Grainger and Tobias Megies; Fixes GH-47

https://github.com/eventlet/eventlet/issues/47
wsgi: Allow minimum_chunk_size to be overriden on a per request basis

The application can set environ['eventlet.minimum_write_chunk_size']
which will override the minimum_chunk_size set on server initialization
for a single request.

https://bitbucket.org/eventlet/eventlet/pull-request/37/allow-minimum_chunk_size-to-be-overriden
websocket: allow "websocket" in lowercase in Upgrade header (Google Chrome sends so)
0.14 release (branding)
Bump version to 0.15.0.dev