fixed deprecated using of goliath port in run_contrib_app.  also now uses 'service discovery' instead of 'process discovery' for announced kafka_contrib daemons
fixed deprecated using of goliath port in run_contrib_app.  also now uses 'service discovery' instead of 'process discovery' for announced kafka_contrib daemons

infochimps-labs/ironfan-pantry,infochimps-labs/ironfan-pantry,infochimps-labs/ironfan-pantry,infochimps-labs/ironfan-pantry