Adapted to Akka 2.3.2
Newer Scala/Akka versions.
Logging by default back at info level.

Should make it configurable from config file.
Adapted to changes in S/C.
Merge branch 'akka-2.3.2'

Conflicts:
	src/main/scala/com/signalcollect/deployment/TorqueNodeBootstrap.scala

src/main/scala/com/signalcollect/nodeprovisioning/torque/NodeProvisioner
Actor.scala

src/main/scala/com/signalcollect/nodeprovisioning/torque/TorqueNodeProvi
sioner.scala