Fix some embarrasing initial start up issues;

- Move database connection into separate class.
- Fix bug which continuously asks the user to run 'troo init'.
- Move 'init' option to bin/troo.
- Add help at end of `troo init`.
- Minor updates to README.
Make fake server executable.
Merge pull request #30 from gavinlaking/feature/twerks

Feature/twerks