FitExperiment based ResultComputation, CMA-ES generator

- Add: ResultComputation looking at the summed BIC score over all datasets, from a FitExperiment instance.
- Add: Generator running CMA-ES, for T=1, minimising BIC score.
Merge branch 'develop' of https://github.com/Azhag/Bayesian-visual-working-memory into develop

* 'develop' of https://github.com/Azhag/Bayesian-visual-working-memory:
  FitExperiment based ResultComputation, CMA-ES generator

Conflicts:
	Experiments/cmaes_fit_experiment/generator_cmaes_distfitexpbic_mixed_ratiosigmax_singleT_120214.py