Follow up for name chnages in citrus-core.
Experminent with FileOutput.
Add dependor to handle dependencies.
Major cleanup wtih dependor.

- inject dependencies to resources
- introduce application configuration
- adopt file_ouput and threaded_build_executor from core
- add bogus for test doubles
Add simplecov coverage with coveralls.
Add travis configuration and defualt rake spec task.
Introduce CreateBuild and BuildsRepository.
Fancy badges in README.