travis: Evaluate ALL exercises with new schema
travis: Evaluate ALL exercises with new schema

This schema was proposed and accepted in
https://github.com/exercism/problem-specifications/issues/996

jmluy/x-common,rpottsoh/x-common,exercism/x-common,rpottsoh/x-common,ErikSchierboom/x-common,jmluy/x-common,ErikSchierboom/x-common,jmluy/x-common,petertseng/x-common,exercism/x-common,petertseng/x-common