added server port configuration to buildout.cfg
Adding DNS configuration to slidelint website.
Converting README to markdown plus lots of updates and fixes.
Adding nginx configuration and instructions.

This is the configuration file for a nginx reverse proxy which runs in front of
the circus daemon. See the following image;

![nginx and circus](http://circus.readthedocs.org/en/latest/_images/circus-stack.png)
Adding docs about being Python 3 and better set up instructions.

Also made bootstrap.py executable and use python3 to execute.
Merge pull request #4 from mithro/nginx-config

Adding nginx configuration and instructions.
Merge pull request #2 from mithro/adding-dns-config

Adding DNS configuration to slidelint website.
Merge pull request #3 from mithro/readme-fix

Converting README to markdown plus lots of updates and fixes.
added queue manager scheme
added workers number configuration to buildout
update readme
Update README.md
Update README.md
markdown fix; spelling fix
Fixing wording / spelling.