Directions service first version.

TODO:
- Local integration test for business account.
- Add "raw" as an option setting to return the object or the raw json coming in the body of the response.
- Add helper methods in route
  * duration
  * distance
Merge branch 'master' into directions
Fixing pending tests
Renaming search to routes and local integration tests.

They're not committed, but hosted in the local machine
Raw feature included and README improved