Merge branch 'master' into 'fix-checkstyle'

# Conflicts:
#   src/main/java/be/cylab/java/wowa/training/Example.java
#   src/main/java/be/cylab/java/wowa/training/Trainer.java

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

@@ -22,12 +22,11 @@ public class SolutionDistance
      * @param weights_number
      */
     public SolutionDistance(final int weights_number) {
-        Random rnd = new Random();
         this.weights_w = new double[weights_number];
         this.weights_p = new double[weights_number];
         for (int i = 0; i < weights_number; i++) {
-            this.weights_w[i] = rnd.nextDouble();
-            this.weights_p[i] = rnd.nextDouble();
+            this.weights_w[i] = Math.random();
+            this.weights_p[i] = Math.random();
         }
         this.normalize();
     }

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

@@ -322,7 +322,6 @@ public class Trainer {
         child2.normalize();
         solutions.add(child1);
         solutions.add(child2);
-
     }
 
     /**