Updated the message for when there are no results for a search query

--HG--
branch : dev

src/Orchard.Web/Modules/Orchard.Search/Views/Search/Index.ascx

@@ -3,7 +3,10 @@
 Html.RegisterStyle("search.css"); %>
 <h1><%=Html.TitleForPage(T("Search").Text)%></h1><%
 Html.Zone("search");
-if (!string.IsNullOrWhiteSpace(Model.Query)) { %>
+if (Model.Count == 0) { %>
+<p class="search-summary"><%=T("<em>zero</em> results")%></p><%
+}
+else if (!string.IsNullOrWhiteSpace(Model.Query)) { %>
 <p class="search-summary"><%=T("<em>{0} - {1}</em> of <em>{2}</em> results", (Model.Page - 1) * Model.PageSize + 1, Model.Page * Model.PageSize > Model.Count ? Model.Count : Model.Page * Model.PageSize, Model.Count)%></p><%
 }
 if (Model.ResultsPage.Count() > 0) { %>