re-arranged docker file so that languages come before packages/services, added better error cleanup message for javascript
re-arranged docker file so that languages come before packages/services, added better error cleanup message for javascript

Codewars/codewars-runner-cli,lteacher/codewars-runner-cli,lteacher/codewars-runner-cli,OverZealous/codewars-runner-cli,Codewars/codewars-runner-cli,Codewars/codewars-runner,OverZealous/codewars-runner-cli,lteacher/codewars-runner-cli,Codewars/codewars-runner,Codewars/codewars-runner-cli,lteacher/codewars-runner-cli,OverZealous/codewars-runner-cli,DonaldKellett/codewars-runner-cli,OverZealous/codewars-runner-cli,DonaldKellett/codewars-runner-cli,DonaldKellett/codewars-runner-cli,DonaldKellett/codewars-runner-cli,Codewars/codewars-runner-cli,Codewars/codewars-runner-cli,DonaldKellett/codewars-runner-cli,DonaldKellett/codewars-runner-cli,lteacher/codewars-runner-cli,DonaldKellett/codewars-runner-cli,Codewars/codewars-runner-cli,lteacher/codewars-runner-cli,DonaldKellett/codewars-runner-cli,DonaldKellett/codewars-runner-cli,DonaldKellett/codewars-runner-cli,OverZealous/codewars-runner-cli,lteacher/codewars-runner-cli,Codewars/codewars-runner-cli,Codewars/codewars-runner,lteacher/codewars-runner-cli,Codewars/codewars-runner-cli,Codewars/codewars-runner-cli,lteacher/codewars-runner-cli,OverZealous/codewars-runner-cli,Codewars/codewars-runner,OverZealous/codewars-runner-cli,Codewars/codewars-runner-cli,OverZealous/codewars-runner-cli,OverZealous/codewars-runner-cli,lteacher/codewars-runner-cli,Codewars/codewars-runner-cli,Codewars/codewars-runner-cli,OverZealous/codewars-runner-cli,DonaldKellett/codewars-runner-cli,OverZealous/codewars-runner-cli,Codewars/codewars-runner-cli,OverZealous/codewars-runner-cli,Codewars/codewars-runner,OverZealous/codewars-runner-cli,Codewars/codewars-runner-cli,OverZealous/codewars-runner-cli,lteacher/codewars-runner-cli