update jetty-version-maven-plugin version
update jetty-version-maven-plugin version

thomasbecker/jetty-7,xmpace/jetty-read,xmpace/jetty-read,thomasbecker/jetty-spdy,jetty-project/jetty-plugin-support,xmpace/jetty-read,jetty-project/jetty-plugin-support,thomasbecker/jetty-7,thomasbecker/jetty-spdy,xmpace/jetty-read,jetty-project/jetty-plugin-support,thomasbecker/jetty-spdy