Change the criterion of turnning an edge red.
Instant packet loss rate is more reasonable.
Change the way to drop off some packets.
Instead of dropping data at source, we are droppoing off data at relay.
Change the demo input script
Merge branch 'master' of
https://github.com/cmusv-sc/Practicum2014-Ericsson-Media.git

Conflicts:
	src/test/demo/demo-1-flowlist-source-processing-relay-sink.json