Added opscenter agent configuration
USERGRID-195
Update runner.sh
USERGRID-195
Merge branch 'two-dot-o' of github.com:apache/incubator-usergrid into two-dot-o
Added opscenter and agent installation

Added yourkit installation

Added graphite and REST codehale reporter

Refactored registry into a reusable class
Merge branch 'pr/31' into two-dot-o
Merge branch 'two-dot-o' of https://github.com/apache/incubator-usergrid into two-dot-o

Conflicts:
	stack/awscluster/assembly.xml
	stack/awscluster/src/main/dist/init_instance/init_db_server.sh
	stack/awscluster/src/main/dist/init_instance/init_rest_server.sh
	stack/awscluster/src/main/dist/init_instance/install_cassandra.sh
	stack/awscluster/src/main/dist/init_instance/install_elasticsearch.sh
	stack/awscluster/src/main/groovy/configure_elasticsearch.groovy
	stack/awscluster/src/main/groovy/configure_usergrid.groovy
	stack/awscluster/src/main/groovy/wait_for_instances.groovy
	stack/awscluster/ugcluster-cf.json