prepare for PaaS deployment: docker and config env vars

.deployignore

.dockerignore

.gitignore

Dockerfile

Makefile

app/components/elements/Userpic.jsx

app/redux/UserSaga.js

circle.yml

config/client_config.js

config/custom-environment-variables.json

config/default.json

config/index.js

config/process-example.json

config/production.json

db/console.js

db/models/index.js

db/tarantool.js

doc/DEPLOYMENT.md

npm-shrinkwrap.json

package.json