added missing codebehinds. updated ignore file.

src/Umbraco.Web.UI/umbraco/masterpages/UmbracoPage.master.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Web;
+
+namespace Umbraco.Web.UI.Umbraco.Masterpages
+{
+	public partial class UmbracoPage : global::umbraco.presentation.masterpages.umbracoPage
+	{
+	}
+}

src/Umbraco.Web.UI/umbraco/masterpages/UmbracoPage.master.designer.cs

@@ -0,0 +1,24 @@
+//------------------------------------------------------------------------------
+// <auto-generated>
+//     This code was generated by a tool.
+//
+//     Changes to this file may cause incorrect behavior and will be lost if
+//     the code is regenerated. 
+// </auto-generated>
+//------------------------------------------------------------------------------
+
+namespace Umbraco.Web.UI.Umbraco.Masterpages {
+    
+    
+    public partial class UmbracoPage {
+        
+        /// <summary>
+        /// JsInclude10 control.
+        /// </summary>
+        /// <remarks>
+        /// Auto-generated field.
+        /// To modify move field declaration from designer file to code-behind file.
+        /// </remarks>
+        protected global::ClientDependency.Core.Controls.JsInclude JsInclude10;
+    }
+}