Fixed reporting plugin. Added some utils class tests.
Merge branch 'developer' of https://github.com/ajnebro/jMetal into developer
Fixing a conflict in AvlNode.java
Merge with Refactoring branch
Removing ParallelTask from jmetal.util.parallel
Minor changes in pSMPSO.java
Staring using guice ...
Implementing MultithreadedExecutor
Refactoring: moving executors to jmetal.util.evaluator
Refactoring: removing outdated executor classes
Updating SMPSO and NSGAII with version using Evaluator objects
Refactoring jmetal.util.comparators to jmetal.util.comparator
Adding new package: jmetal.util.fileOutput
SetCoverage and SetCoverageTest implemented
Testing SetCoverage
Refactoring package name
Renaming NSGAIIMain and SMPSOMain to NSGAIIRunner and SMPSORunner, respectively
Added GeneticAlgorithmRunner
GeneticAlgorithmRunner ready
SetCoverage metric running