travis: CXX version
travis: CXX version

Former-commit-id: 61ffc84b219659417c006c9704db6b2177a6b91b
Mindwerks/worldengine,sylvanmist/worldengine,Mindwerks/worldengine,sylvanmist/worldengine,tmfoltz/worldengine,psi29a/worldengine,tmfoltz/worldengine,esampson/worldengine,esampson/worldengine,MM1nd/worldengine,psi29a/worldengine,MM1nd/worldengine