packaging both WAR and JAR, various cleanups, set servlet/JSP dependencies to provided to avoid warning messages from tomcat/jetty, added extra information on project
more meaningful web-app id attribute
reordered file to make it work with jetty and tomcat, and to remove specific references to jetty implementation classes
changed default custom query cypher to MATCH (instead of using START syntax that leans on legacy 1.9 neo4j indexes
fixed minor bug: code can ignore spurious TransactionFailedExceptions thrown by neo4j which sometimes happen on read-only queries: neo4j claims commit failed on a read-only query (!?)