added changes from fixConfigure branch

Author: piameier

src/main/java/org/variantsync/diffdetective/variation/diff/transform/EliminateEmptyAlternatives.java

@@ -1,6 +1,5 @@
 package org.variantsync.diffdetective.variation.diff.transform;
 
-
 import org.prop4j.Node;
 import org.prop4j.NodeWriter;
 import org.variantsync.diffdetective.util.Assert;