[feature] Add OpenJDK 9 to Travis-CI build
[feature] Add OpenJDK 9 to Travis-CI build

lcahlander/exist,lcahlander/exist,olvidalo/exist,windauer/exist,ambs/exist,adamretter/exist,hungerburg/exist,adamretter/exist,eXist-db/exist,hungerburg/exist,ambs/exist,hungerburg/exist,dizzzz/exist,dizzzz/exist,ambs/exist,eXist-db/exist,adamretter/exist,opax/exist,lcahlander/exist,windauer/exist,hungerburg/exist,lcahlander/exist,windauer/exist,opax/exist,dizzzz/exist,windauer/exist,eXist-db/exist,opax/exist,opax/exist,windauer/exist,eXist-db/exist,wolfgangmm/exist,dizzzz/exist,olvidalo/exist,adamretter/exist,ambs/exist,wolfgangmm/exist,olvidalo/exist,windauer/exist,olvidalo/exist,adamretter/exist,olvidalo/exist,eXist-db/exist,lcahlander/exist,adamretter/exist,ambs/exist,wolfgangmm/exist,dizzzz/exist,ambs/exist,wolfgangmm/exist,eXist-db/exist,hungerburg/exist,dizzzz/exist,opax/exist,wolfgangmm/exist,lcahlander/exist,wolfgangmm/exist