Merge pull request #49 from Hernrup/master

Navigation on "readthedocs" theme
More helpful messages on 'serve'
More helpful messages to 'build'
Minor copy changes.
Hide unfinished docs.
Add 'new' command.
Improve 'new' command.
Allow extra css and extra javascript in docs dir
Tweak new project text.
Include extra css/js in readthedocs theme
pep8 cleanups
Nicer output during 'serve' - don't display build dir
Add 'ghp-deploy'
Add `include_nav` and `include_next_prev`
Tidy up config.
Version 0.6
Fix gh-deploy output
Version 0.7
Include final newline in initial mkdocs.yml file
Pause slightly before re-creating site after filesystem events