Fix bug: cannot change page of enter number on page indicator: https:…

…//bugzilla.redhat.com/show_bug.cgi?id=747228

server/zanata-war/src/main/java/org/zanata/webtrans/client/ui/Pager.java

@@ -7,8 +7,8 @@
 import com.google.gwt.event.dom.client.ClickEvent;
 import com.google.gwt.event.dom.client.ClickHandler;
 import com.google.gwt.event.dom.client.KeyCodes;
-import com.google.gwt.event.dom.client.KeyUpEvent;
-import com.google.gwt.event.dom.client.KeyUpHandler;
+import com.google.gwt.event.dom.client.KeyDownEvent;
+import com.google.gwt.event.dom.client.KeyDownHandler;
 import com.google.gwt.event.logical.shared.ValueChangeEvent;
 import com.google.gwt.event.logical.shared.ValueChangeHandler;
 import com.google.gwt.event.shared.HandlerRegistration;
@@ -66,11 +66,10 @@ public Pager(final WebTransMessages messages, final Resources resources)
    protected void onLoad()
    {
       super.onLoad();
-      gotoPage.addKeyUpHandler(new KeyUpHandler()
+      gotoPage.addKeyDownHandler(new KeyDownHandler()
       {
-
          @Override
-         public void onKeyUp(KeyUpEvent event)
+         public void onKeyDown(KeyDownEvent event)
          {
             if (event.getNativeKeyCode() == KeyCodes.KEY_ENTER)
             {