Fixes Thor happiness.

Thor has already been required. This may cause Bundler to malfunction
in unexpected ways.
Append routes.
Remove Versionfile.

No longer used.
Base engine adjustments.

- Add same version style that capybara gem uses.
- Cleanup unnecessary comments.
- White space removal.
- Gemspec improvments.
- Add a tiny passing spec.
Add Travis config.
Auth device has to use 2-0-stable branch.