Upgraded to the new version of AntBot-GA, which contains several important bug fixes to the ants' behavior.
Removed user-specific Xcode project files that accidentally got included in the initial import.

AppDelegate.m
  -Has code included to allow for either a run with visualization or a run without the visualization.  This is temporary.
SimulationView.m
  -Now copies the mutable array of ants instead of using the reference to the array, which prevents bugs in certain cases.