Improvements

• #127: Change the maven group and artifact ID from org.bitbucket:org.jenetics to io.jenetics:jenetics.
• #142: Jenetics now compiles without warnings with Java 9 EA.
• #145: Add additional Engine.stream(...) and Engine.iterator(...) methods:
  • stream(Iterable<Genotype> genotypes)
  • stream(Iterable<Genotype> genotypes, long generation)
  • stream(EvolutionResult<G, C> result)
  • iterator(Iterable<Genotype> genotypes, long generation)
  • iterator(Population<G, C> population)
  • iterator(EvolutionResult<G, C> result)
• #150: Implement fitness convergence termination strategy.
• #152: Remove hashCode and replace equals method with sameState(T) for mutable objects.
• #156: Implementation of an UniformCrossover.
• #162: Update and improve User's Manual.

Bug fixes

• #143: Fix serialization of EvolutionResult class.
• #146: NPE in EvolutionResult.toBestEvolutionResult() when collecting empty EvolutionStreams.
• #159: The User's Manual build fails for Lyx version 2.2.2.