rename "zedboards" to "deviceAddresses", reduce number of calls to int2ip()
rename "zedboards" to "deviceAddresses", reduce number of calls to int2ip()

8l/connectal,cambridgehackers/connectal,chenm001/connectal,chenm001/connectal,chenm001/connectal,cambridgehackers/connectal,hanw/connectal,cambridgehackers/connectal,8l/connectal,hanw/connectal,csail-csg/connectal,csail-csg/connectal,hanw/connectal,csail-csg/connectal,cambridgehackers/connectal,hanw/connectal,csail-csg/connectal,hanw/connectal,cambridgehackers/connectal,8l/connectal,chenm001/connectal,csail-csg/connectal,8l/connectal,8l/connectal,chenm001/connectal