[huxd]from hqf: fixed "Specifying the order of elements in a contributing custom category does not appear to be working"
diff --git a/org.eclipse.epf.library.edit/src/org/eclipse/epf/library/edit/util/CategorySortHelper.java b/org.eclipse.epf.library.edit/src/org/eclipse/epf/library/edit/util/CategorySortHelper.java
index 88a77e9..91dca2d 100644
--- a/org.eclipse.epf.library.edit/src/org/eclipse/epf/library/edit/util/CategorySortHelper.java
+++ b/org.eclipse.epf.library.edit/src/org/eclipse/epf/library/edit/util/CategorySortHelper.java
@@ -15,9 +15,11 @@
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
+import java.util.HashSet;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
+import java.util.Set;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.epf.library.edit.LibraryEditResources;
@@ -35,6 +37,7 @@
import org.eclipse.epf.uma.UmaPackage;
import org.eclipse.epf.uma.VariabilityElement;
import org.eclipse.epf.uma.WorkProductType;
+import org.eclipse.epf.uma.util.AssociationHelper;
/**
* Helper class to handle sorting of Category elements
