The following parameters have been added to deploy-secrets.yml:
* **use_rvm**: yes/no
* **ruby_version**: Ruby version for rvm. Defaults to 2.3.2
* **repository**: Git repository. Defaults to the oficial repository
* **branch**: Branch to deploy. Defaults to master
* **rails_env**: Defaults to the stage.
Fixed migrations that required admin rights. Now first check if the postgress extensions are available. If so finish without doing nothin.
Added support for passenger.
The following enhancements have been made to docker/docker-compose
* Fixed bug when building the image.
* docker-compose up starts the server
* Scaffolding inside the container respect the ownership of the files
outside it
* Volumes are tagged as 'delegated' in order to improve performance for
mac/windoze users.
* bundler stores packages in a volume. This whay new packages can be
added without rebuilding the image:
```bash
docker-compose run app bundle install
```
