Started on various experiments with evolutionary strategies.
Merge branch 'master' of github.com:larsga/Duke into evolution-strategies-experiments
Now possible to set mutation rate and recombination rate on command-line.
Reduced changes of testMutate() failing because of pure bad luck.
Lots of experimental changes to test the effect of question filtering.
Cleanup of the code so we can think about merging it.
Merge branch 'master' of github.com:larsga/Duke into evolution-strategies-experiments

Conflicts:
Merging with master.	buildNumber.properties