Add travis badge to README.
Allow files parsed by html-parser generatered parsers to not start with an edn map.
Add a special case behaviour for files with the title 'index'.

Assume the user wants this to be the root of their site.
Allow no valid config to be specified.

Still print a pretty angry message.
Add bare-bones, incise friendly content and config.
Bump version to 0.3.0.