api/examples: Store env vars as array instead of key/value object

For better JSON Schema validation.
Merge pull request #15 from VojtechVitek/api_env_vars

api/examples: Store env vars as array instead of key/value object
Change title
Dockerfile that builds and runs the openshift executable
Merge pull request #20 from jwforres/origin_dockerfile

Dockerfile that builds and runs the openshift executable