Remove check for repository exists, before creation.
Add code to the travis util to allow user pages repos.
Split up the creation of repo into a different request.

This allows us to send more feedback to the user.

Also, started work to allow creation of user pages repositories.
Show contents of files to be committed, even if repo not on travis.
Add utility to detect if a given repository is a user-pages repo.
Fix home page for user_pages repositories.
Fix the branch on which commits are made for user_pages repo.
Use is_user_pages util method in statiki.py

Also add TUTORIAL_STEPS to messages.
Minor fixes to get the tests passing.
Change the looks, use bootstrap.

Lifted off the css of bootstrap docs!