Merge pull request 'dev_faafo' (#3) from dev_faafo into master

demo1-getting-started.py

demo2-instance-with-init-script.py

demo3-microservice.py

demo4-scale-out-add-worker.py

demo4-scale-out.py

demo5-1-durable-storage.py

demo5-2-backup-fractals.py

destroy-all-demo-instances.py

faafo/bin/faafo

faafo/contrib/install-aws.sh

faafo/contrib/install.sh

faafo/contrib/test_api.py

faafo/doc/source/conf.py

faafo/doc/source/conf.py.bak

faafo/faafo/api/service.py

faafo/faafo/api/templates/index.html

faafo/faafo/worker/service.py

faafo/requirements.txt

faafo/setup.cfg