Switch back to VM builds on travis
Switch back to VM builds on travis

SingingTree/hapi-fhir,jamesagnew/hapi-fhir,jamesagnew/hapi-fhir,aemay2/hapi-fhir,jamesagnew/hapi-fhir,aemay2/hapi-fhir,SingingTree/hapi-fhir,aemay2/hapi-fhir,jamesagnew/hapi-fhir,aemay2/hapi-fhir,SingingTree/hapi-fhir,jamesagnew/hapi-fhir,aemay2/hapi-fhir,SingingTree/hapi-fhir,SingingTree/hapi-fhir,jamesagnew/hapi-fhir,SingingTree/hapi-fhir,aemay2/hapi-fhir