bug6177: updated gwt servlet version to 2.12.2 in feature.xml

java/com.sap.sse.feature/feature.xml

@@ -42,7 +42,7 @@ Computes leaderboard information for sailing races and offers RESTful APIs to al
          id="com.google.gwt.servlet"
          download-size="0"
          install-size="0"
-         version="2.11.1"
+         version="2.12.2"
          unpack="false"/>
 
    <plugin