Added backward to OrderedPerson; if true, then getTrueOrdering() returns
the current ordering in backwards Arrays.sort() order.  Correct
operation verified through debugging.
Refactored OrderedPersonFactory to refer to parameters in
OrderedDiffusion, rather than creating its own copies
Opinion leader assignment, including parameterized alphas and backwards
truth probabibilities for leaders and followers.  Also output of
additional data relative to each truth vector.