Small formatting changes
Fixed GeodesicPlot.m

Now it runs!
Fixed a minor plot error.
Plotting improvements.

Formatting changes to plotting functions and script.
Merged and improved SelectGeodesics_one_side and two_side

SelectGeodesics_one_side and
SelectGeodesics_two_side have now been merged into one file:
SelectGeodesics.  Added a user option and a switch.
Adjusted HOPGeodesics_main.m for the new function name.  Added a line to
load example data.