Add an option to the Zoe scheduler to configure container log message destination. GELF-formatted logs will be sent to the specified destination.

Add a new (optional) logger process that takes GELF formatted log messages from docker containers and sends them to Kafka

Fix bugs in application re-scheduling and change the generated container name to be more predictable

If an execution is running and a new one comes with the same name, report an error. If it is not running delete it and start the new one.

Use Swarm statistics to inform the FIFO policy about available resources and append to the scheduling queue executions that fail to start.