Update Rakefile to make Thor happy.

Thor has already been required. This may cause Bundler to malfunction
in unexpected ways.
Updated readme.

- Add logo and description to make things more clear.
- Adding the Heroku hack info.
- Better contribution information.
- Make all point to the one that actually should maintain this.
Base cleanup.

Cleanup autogenerated stuff that is not needed and some small
improvments.
Way to big logo.
Make header text shorter.
Create config file for DIBS account data.

Better way with config file so sensitive information never accidentally
get submitted to github.
Quick update to have full coverage.
Minor improvments for readme.
Add the ssl hack for spec runs.
Consistent naming of header and summary.
Changed to more integrated version style.
Use my fork to make sure it stay intact.
Add tiny exception test.
Change fork and branch as done in other modules.
Cleanup and change license to markdown.
Cleanup gitignore.
Merge pull request #1 from futhr/master

Update to keep forks in sync.