#6 Make comments of categories excluded on extraction-time editable

Comments for categories that were detected to cause cycles are still not
editable.

wiki-analysis/src/graph/GraphExtractor.java

@@ -134,7 +134,7 @@ private void processExcludedCategories(boolean remove) {
 						.getHasSubcategoryIncidences(EdgeDirection.IN)) {
 					if (remove) {
 						e.set_blacklisted(true);
-						e.set_excluded(true);
+						e.set_excluded(false);
 						e.set_comment("excluded on extraction");
 					} else {
 						e.set_blacklisted(false);