fitness computed as 2-sample Chi^2

- p-value not used
- gives meaningfull results for real experiments
- to be used for wide testing
Revert "histograms output hack"

This reverts commit a524e80ee533722f8314118638f0d25f8722a052.

Conflicts:
	EACirc/Version.h
	EACirc/evaluators/CategoriesEvaluator.cpp
Merge branch 'eacirc-dev'

(no changes to files)
build version updated

- failsafe for branch merging