Update log
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2015-2016
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+  11/01/2015,  In step3, new Delphi is added
+  12/01/2015,  In Yifan's monte carlo, now it takes energies.opp file as an input.
+  12/24/2015,  Added flag for Gaussian smoothing, 1 means run Gaussian,
    zero means run step function.  For more information visit.
    http://compbio.clemson.edu/downloadDir/delphi/delphi95_manual.pdf
+  12/29/2015,  Added two flags for the use of Gaussian smoothing, sigma and srfcut.
+  02/01/2016,  Added a flag to display two extra columns to the opp energy files.