19.0.0

• RMB-140: Move to v19, 18.0.1 requires entry in pom
  
  org.codehaus.mojo
  build-helper-maven-plugin
  3.0.0
  
  
  add-raml-jaxrs-source
  generate-sources
  
  add-source
  
  
  
  ${project.build.directory}/generated-sources/raml-jaxrs