steve:  run as fixture under fitnesse, with normal parameter space
iterator.
steve:  fitnesse files + StochasticSraModelRunner test
Steve:  iterated grid search; smoothed search proportions; SraFixture
Steve:  ignore Fit test results
steve:  add stochastic support
steve:  convert Double to double, add ValidityBuilder to Experiment
steve: maximum likelihood support, tests; add license
Merge pull request #1 from sjdayday/master

Master