finish #147 by adding info about verifying maven central jars using gpg; do #253 by adding maven and gradle examples; do #254 by adding what's new section
finish #147 by adding info about verifying maven central jars using gpg; do #253 by adding maven and gradle examples; do #254 by adding what's new section

marklogic/java-client-api,marklogic/java-client-api,marklogic/java-client-api,marklogic/java-client-api,marklogic/java-client-api