Merge branch 'dev'

Author: cqgong

src/main/java/org/reactome/server/graph/repository/HierarchyRepository.java

@@ -233,7 +233,7 @@ private void doHighlighting(PathwayBrowserNode node) {
             node.setHighlighted(false);
         }
 
-        if (node.getType().contains("Reaction") || node.getType().equals("BlackBoxEvent") || node.getType().contains("Polymerisation")) {
+        if (node.getType().contains("Reaction") || node.getType().equals("BlackBoxEvent") || node.getType().contains("Polymerisation") || node.getType().contains("CellDevelopmentStep")) {
             node.setClickable(true);
             node.setHighlighted(true);
         }