Tweaked build command to generate a Docker image tag using the basename of the Dockerfile combined with its short git commit id. Build command only builds and image if the specific tag has not already been built.
Added default values for parameters on setup, build and deploy tasks to avoid Fabric attempting to require parameters.
Provide default value to getattr to make check work correctly.
Fixed issues with setup and build tasks such that they now function as they should.
Disabled DeployerLoader for now as it does not seem to work as it should.