Fix number of MRL level

MRL have 9 levels. We got a typo leading to 10 levels. This was a split of `Usefulness Demonstrated` into 2 levels: `Usefulness` and `Demonstrated`.

webapp/src/main/java/org/ow2/treewebapp/rest/pojo/CursorChartData.java

@@ -4,14 +4,13 @@ public class CursorChartData {
 
     private final String[] names = {"Research",
             "Development",
-            "Fledgeling usefulness",
-            "Demonstrated",
-            "Usefulness",
-            "Market opening",
-            "Market broadening",
-            "Business build up",
-            "Actively competitive",
-            "Established player"
+            "Fledgeling Usefulness",
+            "Usefulness Demonstrated",
+            "Market Opening",
+            "Market Broadening",
+            "Business Build-up",
+            "Actively Competitive",
+            "Established Player"
     };
 
     private double value;