[Findit & Predator] Code reorg of Findit.

appengine/predator/.coveragerc

 [run]
-include = ./appengine/findit/*
+include = ./appengine/predator/*
 
 [report]
 exclude_lines =
     # Have to re-enable the standard pragma
     pragma: no cover
 
     # Don't complain about missing debug-only code:
     def __repr__
     if self\.debug
 
     # Don't complain if tests don't hit defensive assertion code:
     raise AssertionError
     raise NotImplementedError
 
     # Don't complain if non-runnable code isn't run:
     if 0:
     if __name__ == ['"]__main__['"]:
 
 [expect_tests]
 expected_coverage_min = 100