Adding support for single LaneStack for RaetChannel
Merge remote-tracking branch 'upstream/develop' into sam_raet_50
Now Jobbers only use one LaneStack in the channel
Raise exception is jobber_stack not created
Support for single LaneStack for RaetChannel
Also debug for File problem
Merge remote-tracking branch 'upstream/develop' into sam_raet_50

Conflicts:
	salt/daemons/flo/core.py
Merge pull request #14110 from SmithSamuelM/sam_raet_50

Support for single LaneStack for RaetChannel