Change profile editor VMs to use event aggregator

src/Artemis.UI/Events/ProfileEditorSelectedProfileChanged.cs

@@ -0,0 +1,14 @@
+using Artemis.Core.Models.Profile;
+
+namespace Artemis.UI.Events
+{
+    public class ProfileEditorSelectedProfileChanged
+    {
+        public ProfileEditorSelectedProfileChanged(Profile profile)
+        {
+            Profile = profile;
+        }
+
+        public Profile Profile { get; }
+    }
+}