Remove --quiet from mvn site to avoid Travis timeout (#1396)
Remove --quiet from mvn site to avoid Travis timeout (#1396)


shinfan/gcloud-java,mbrukman/gcloud-java,rborer/google-cloud-java,FirebasePrivate/google-cloud-java,vam-google/google-cloud-java,shinfan/gcloud-java,FirebasePrivate/google-cloud-java,mbrukman/gcloud-java,rborer/google-cloud-java,shinfan/gcloud-java,vam-google/google-cloud-java,shinfan/gcloud-java,jabubake/google-cloud-java,jabubake/google-cloud-java,mbrukman/gcloud-java,jabubake/google-cloud-java,mbrukman/gcloud-java,jabubake/google-cloud-java,rborer/google-cloud-java,FirebasePrivate/google-cloud-java,vam-google/google-cloud-java,vam-google/google-cloud-java,FirebasePrivate/google-cloud-java,rborer/google-cloud-java,rborer/google-cloud-java,jabubake/google-cloud-java,vam-google/google-cloud-java,shinfan/gcloud-java,FirebasePrivate/google-cloud-java,vam-google/google-cloud-java