Sometimes manager node was shutting everything down before others had
a chance to generate output. It now waits for all nodes to fully
connect with each other.
* origin/topic/robin/parallel-btest:
Updating submodule(s).
Adding group "comm" to communication tests for parallelizing execution with new btest version.
This is in preparation for the merge with the parallel btest branch.
Conflicts:
cmake
testing/btest/istate/pybroccoli.py
testing/btest/scripts/base/frameworks/control/configuration_update.bro
testing/btest/scripts/base/frameworks/control/id_value.bro
testing/btest/scripts/base/frameworks/control/shutdown.bro
testing/btest/scripts/base/frameworks/metrics/basic-cluster.bro