Update newrelic-mysql-plugin.debian
Update newrelic-mysql-plugin.debian

Add DAEMON_USER because running stuff as root, especially java, always makes me nervious.
newrelic-platform/newrelic_mysql_java_plugin,pythian/newrelic_galera_java_plugin,jtmancilla/newrelic_mysql_java_plugin,newrelic-platform/newrelic_mysql_java_plugin,bossjones/newrelic_mysql_java_plugin,pythian/newrelic_galera_java_plugin,jtmancilla/newrelic_mysql_java_plugin,bossjones/newrelic_mysql_java_plugin