Added anti-clobbering safety check#40

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josephks wants to merge 2 commits intofoundweekends:masterfrom

josephks:master

Commits on Jun 5, 2012

Check for existing $BIN/cs before clobbering.
Joseph Shraibman
committed
Added comment to cs file which will serve as a better grep target for future safety checks
Joseph Shraibman
committed