CircleCI build - fix after recent changes on CircleCI side
CircleCI build - fix after recent changes on CircleCI side

Builds fail with an error:

CircleCI was unable to run the job runner because we were unable to execute commands in build container.

Check this thread https://discuss.circleci.com/t/circleci-was-unable-to-run-the-job-runner/31894/18

Configuration fixed and simplified based on example project:
https://github.com/CircleCI-Public/circleci-demo-java-spring/tree/maven

play2-maven-plugin/play2-maven-test-projects,play2-maven-plugin/play2-maven-test-projects,play2-maven-plugin/play2-maven-test-projects