many fixes for the throughput scripts, moving them from Makefile to the exp_base script
many fixes to throughput script
deploy modified iperf into all station when a test start
fixed iperf and tcpdump scripts
fixed table initialization and stations syncronization and changed place to some constants
Merge branch 'master' of /home/group1/fhbss into test_random
add script test for franz
fix exp_base.sh
change next_channel in the initialization and fix next_channel choice bug