Merge branch 'master' into layoutgraph

src/com/vaadin/data/util/sqlcontainer/query/generator/StatementHelper.java

@@ -47,6 +47,10 @@ public class StatementHelper implements Serializable {
         if (parameter != null) {
             parameters.add(parameter);
             dataTypes.put(parameters.size() - 1, parameter.getClass());
+        } else {
+            throw new IllegalArgumentException(
+                    "You cannot add null parameters using addParamaters(Object). "
+                            + "Use addParameters(Object,Class) instead");
         }
     }
 

src/com/vaadin/terminal/gwt/client/ui/VOverlay.java

@@ -242,6 +242,7 @@ public class VOverlay extends PopupPanel implements CloseHandler<PopupPanel> {
             // shim behind the shadow due to its transparency.
             shimElement.getStyle().setPosition(Position.ABSOLUTE);
             shimElement.getStyle().setBorderStyle(BorderStyle.NONE);
+            shimElement.setTabIndex(-1);
             shimElement.setFrameBorder(0);
             shimElement.setMarginHeight(0);
         }

tests/testbench/com/vaadin/tests/components/embedded/EmbeddedPdf.html

@@ -20,7 +20,7 @@
 <tr>
 	<td>pause</td>
 	<td></td>
-	<td>4000</td>
+	<td>8000</td>
 </tr>
 <tr>
 	<td>screenCapture</td>