Fixes the contact page

src/Yavsc.Org/Views/Home/Contact.cshtml

@@ -1,17 +1,10 @@
 @using Microsoft.IdentityModel.Protocols.Configuration
 @model SiteSettings
-@{
-    ViewBag.Title = "Contact";
-    if (Model.Owner==null)
-        throw new InvalidConfigurationException("no owner");
-}
+<h2>Contact</h2>
 
-<h2>@ViewBag.Title</h2>
-<h3>@ViewBag.Message</h3>
+<p>@Model.Owner.Name </p>
 
-<p>
-@Model.Owner.Name <br>
-@Html.DisplayFor(m=>m.Owner.PostalAddress)</p>
+@Html.DisplayFor(m=>m.Owner.PostalAddress)
 
 <address>
     <strong>Support:</strong> <a href="mailto:@Model.Admin.EMail">@(Model.Admin.Name)&lt;@(Model.Admin.EMail)&gt;</a><br />

src/Yavsc.Org/Views/Shared/DisplayTemplates/PostalAddress.cshtml

@@ -1,8 +1,14 @@
 @model PostalAddress
-
+@if (Model==null)
+{
+    <i>⚠ Pas d'adresse postale renseignée ⚠</i>
+}
+else {
 <address>
 @Model.Street1<br />
 @Model.Street2<br />
 @Model.PostalCode, @Model.City<br />
 @Model.Province @Model.State @Model.Country
 </address>
+}
+