Fixed issue with models builder

Signed-off-by: Bjarke Berg <mail@bergmania.dk>

src/Umbraco.Web.Common/PublishedModels/DummyClassSoThatPublishedModelsNamespaceExists.cs

@@ -0,0 +1,9 @@
+namespace Umbraco.Web.PublishedModels
+{
+    // this is here so that Umbraco.Web.PublishedModels namespace exists in views
+    // even if people are not using models at all - because we are referencing it
+    // when compiling views - hopefully noone will ever create an actual model
+    // with that name
+    internal class DummyClassSoThatPublishedModelsNamespaceExists
+    { }
+}