Update structure

pom.xml

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

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

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

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

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

...n/java/be/cylab/java/wowa/training/TrainerParameters.java

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

src/main/resources/webshell_expected.csv

...java/be/cylab/java/wowa/training/TrainingDatasetTest.java

src/test/java/be/cylab/java/wowa/training/UtilsTest.java