Added behavior to master and minion to clean up stale yard keep directories on startup
Refactored flo scripts to ensure cleanup runs first
Refactored road and lane setup behaviors so the stack creation happens in action not postinitio so that
stacks do not start until after cleanup
Merge remote-tracking branch 'upstream/develop' into sam_raet_49
Merge pull request #13938 from SmithSamuelM/sam_raet_49

Added stale yard keep directory cleanup behavior to master and minion