Updates to keep results properly

...in/java/be/cylab/java/wowa/training/AbstractSolution.java

src/main/java/be/cylab/java/wowa/training/Example.java

...ain/java/be/cylab/java/wowa/training/HyperParameters.java

src/main/java/be/cylab/java/wowa/training/MainDL4J.java

src/main/java/be/cylab/java/wowa/training/MainTest.java

src/main/java/be/cylab/java/wowa/training/NeuralNetwork.java

src/main/java/be/cylab/java/wowa/training/Trainer.java

src/main/java/be/cylab/java/wowa/training/Utils.java