rename preprocessor

src/main/java/org/jastadd/preprocessor/Main.java

@@ -23,7 +23,7 @@ public class Main extends org.jastadd.relast.compiler.RelAstProcessor {
   protected BooleanOption optionPrintYaml;
 
   public Main() {
-    super("Navigation Attribute Generator", true);
+    super("Abstract Type Navigation Generator", true);
   }
 
   public static void main(String[] args) {