Introduce drone CI pipeline to build, test and deploy TolaActivity
Introduce drone CI pipeline to build, test and deploy TolaActivity

- Will create docker container with python and pip installed, which
  installs requirements.txt and runs defined tests via manage.py
- If last step succeeded pipeline will trigger a docker image build and
  export that image to tola's private docker registry
- The last pipeline phase will trigger another downstream build pipeline,
  which issues each application's deployment

toladata/TolaActivity,toladata/TolaActivity,toladata/TolaActivity,toladata/TolaActivity