collect data only for parallel 3,4,5,10
change client port to 12345; iperf port to 5202; so that measurements do not interfere
change const.py and client to work with ATL server + bismark router
bugfix for default port
fix port number, and no passwd required on server
add global router address for pings; make pings loop; tcpdump on server S by /usr/sbin/tcpdump
Merge branch 'christian' of github.com:shahifaqeer/browserlab-linktest