Fix checkstyle paths

Change-Id: Ic5917b049da52127695e3f1a623d5f8aa73ddd5b
Reviewed-on: http://naan.mimuw.edu.pl:8001/74
Tested-by: Nebulostore Nebulostore <nebulostore@gmail.com>
Reviewed-by: Szymon Matejczyk <smatejczyk@gmail.com>
Add OneTimeUniformGossipPeerDiscovery to newcommunication.

Change-Id: I190298fe167bdb02791f56a84430258581da02e7
Reviewed-on: http://naan.mimuw.edu.pl:8001/65
Tested-by: Nebulostore Nebulostore <nebulostore@gmail.com>
Reviewed-by: Jadwiga Kanska <jadzz.k@gmail.com>
Fix AlwaysAcceptingBroker to send exactly one contract offer to each known peer.

Change-Id: Ie2b8a6c10d4a633418e6e22ac1fb4cf606cbbd36
Reviewed-on: http://naan.mimuw.edu.pl:8001/67
Tested-by: Nebulostore Nebulostore <nebulostore@gmail.com>
Reviewed-by: Jadwiga Kanska <jadzz.k@gmail.com>
scripts: fixes and tools for lab tests

Change-Id: Iee589f110fd9d7558656f21567cbd31b9de0fec4
merger