Add DirUtils

src/main/java/fr/pandacube/util/DirUtils.java

@@ -0,0 +1,13 @@
+package fr.pandacube.util;
+
+import java.io.File;
+
+public class DirUtils {
+	public static void delete(final File target) {
+		if (target.isDirectory())
+			for (final File child : target.listFiles())
+				delete(child);
+		
+		target.delete();
+	}
+}