todo: don't skip source roots outside of java (IDEA-159909)

java/java-impl/src/com/intellij/ide/todo/nodes/TodoJavaTreeHelper.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2000-2009 JetBrains s.r.o.
+ * Copyright 2000-2016 JetBrains s.r.o.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -133,7 +133,9 @@ public class TodoJavaTreeHelper extends TodoTreeHelper {
         }
       }
     }
-    super.addPackagesToChildren(children, module, builder);
+    final List<VirtualFile> roots = collectContentRoots(module);
+    roots.removeAll(sourceRoots);
+    addDirsToChildren(roots, children, builder);
   }
 
    @Nullable