Removing the last major issues about code styling in CMA-ES.
Refactoring some minor issues in CMA-ES
Merge pull request #42 from estebanpua/master

Removing the last major issues about code styling in CMA-ES.
Removing the isEquals() and hashCode() in class AbstractGenericSolution to avoid an interference with NSGAIII
Removing the code mentioned in the former commit
Moving equals() and hashCode() from AbstractGenericSolution to GenericBinarySolution (pending to be revised)
changes in the classes EnvironmentalSelection and ReferencePoint.The equal method has been change to a comparison of references, since the idea in these classes was to compare if the same object appears more than once in two different populations. We look for the same object and not for objects which are equals according to their content.
Finished BitFlipMutationTest
Merge branch 'master' of https://github.com/jMetal/jMetal
Moving the equals() and hashCode() from GenericBinarySolution to AbstractGenericSolution
Optimizing imports
Adding GenerationalGeneticAlgorithmBuilder class