rename script interface "optimize"

  Folded the code into the src/optimize.lisp file which normalizes the
  executable names sufficiently to allow simplified Makefile rules.
remove useless arg-pop helper function
misc executable cleanup

  - don't initialize the original individual until after processing the
    command line arguments
  - save a copy of the original into the results directory
  - move command-line option variables into the optimize function
added time output option for run script
further simplification and generalization
general fitness functions
from-file methods for lighter representations