Make zinc adhere to presslabs coding standards

[calind]

See: https://github.com/PressLabs/developers/

• [ ] Add a Makefile
  • [ ] make test (for local development, fast unit tests)
  • [ ] make full-test (for CI, running fast+slow tests)
  • [ ] make run (run the application. For http apps it should output host:port)
  • [ ] make build (for compiling packages)
  • [ ] make lint (run linting tools)
  • [ ] make seed (add initial data to project)
• [ ] .drone.yml for CI testing
• [ ] Dockerfile
  • [ ] docker-compose.yml containing only dependent services for local development (eg. mysql, redis with default ports exposed)
• [ ] Python project
  • [ ] setup.py - with unpinned dependencies
  • [ ] minimum liniting requirement: flake8 with 100 chars limit
  • [ ] new projects have to work with >= python3.5
  • [ ] define requirments:
  • [ ] requirements.txt - dependencies with pinned versions
  • [ ] requirements.dev.txt - development/test dependencies with pinned version
  • [ ] py.test