Updated OmniXAML.

Added some missing namespace definition attributes as now OmniXaml uses them properly.

src/Markup/Perspex.Markup.Xaml/OmniXAML

@@ -1 +1 @@
-Subproject commit 27005c8b4d41f2a6d3b85da7eb6ed994b57e0138
+Subproject commit 5209a3f26268fc55b82fbf8a05fbedce160e230f

src/Perspex.Controls/Properties/AssemblyInfo.cs

@@ -11,4 +11,5 @@ using Perspex.Metadata;
 [assembly: XmlnsDefinition("https://github.com/perspex", "Perspex.Controls")]
 [assembly: XmlnsDefinition("https://github.com/perspex", "Perspex.Controls.Presenters")]
 [assembly: XmlnsDefinition("https://github.com/perspex", "Perspex.Controls.Primitives")]
-[assembly: XmlnsDefinition("https://github.com/perspex", "Perspex.Controls.Shapes")]
+[assembly: XmlnsDefinition("https://github.com/perspex", "Perspex.Controls.Shapes")]
+[assembly: XmlnsDefinition("https://github.com/perspex", "Perspex.Controls.Templates")]

src/Perspex.SceneGraph/Properties/AssemblyInfo.cs

@@ -5,4 +5,5 @@ using System.Reflection;
 using Perspex.Metadata;
 
 [assembly: AssemblyTitle("Perspex.SceneGraph")]
+[assembly: XmlnsDefinition("https://github.com/perspex", "Perspex.Animation")]
 [assembly: XmlnsDefinition("https://github.com/perspex", "Perspex.Media")]