Merge pull request #4372 from arjantijms/master

Added accidentally removed notNull checks back

Author: javaserverfaces

impl/src/main/java/com/sun/faces/application/applicationimpl/InstanceFactory.java

@@ -312,6 +312,10 @@ public UIComponent createComponent(FacesContext context, Resource componentResou
  }
 
  public UIComponent createComponent(FacesContext context, String componentType, String rendererType) {
+ 
+ notNull(CONTEXT, context);
+ notNull(COMPONENT_TYPE, componentType);
+ 
  return createComponentApplyAnnotations(context, componentType, rendererType, true);
  }