1.bin/active-admin.sh: uncomment JMX options and set JMX port to 1616.
set max memory from 512M to 2048M, and set new generation memory size.
2.conf/activemq.xml: set <system usage>, 1)memory from 20m to 512m, 2)disk from 1g to 10g, 3)temp from 100mb to 1g
set <destinationPolicy> memory limit from 1m to 32m
3.conf/activemq-network-broker-1.xml:set networkConnector and transportConnector multicast from default to special group name.
set right broker name.
copy configuration from activemq.xml
4.conf/jetty.xml: remove demo,camel and fileserver application.
