if interrupted with CTRL+C blocking socket calls will return with -1. Each device should call FairMQDevice::Shutdown() before ending the running state to close open sockets, otherwise the interrupt call itself will block.
- FIX: Update number of received messages for FairMQFileSink.
- Add ability to poll on outputs for FairMQPoller.
Move classes inheriting from device to a subdirectory.
Make sure only protobuf library installed by fairsoft is used.
Cleanup FairMQDevice and fix some initialization list warnings.
Loop to duplicate input files in Sampler.
Add some documentation to FairMQ.
