Return EnvDTE.CodeFunction2 instances from EnvDTE.CodeClass2.Members.

The T4MVC assumes the class methods are instances of the CodeFunction2 type.

src/AddIns/Misc/PackageManagement/Project/Src/EnvDTE/CodeFunction2.cs

@@ -2,12 +2,14 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 using System;
+using ICSharpCode.SharpDevelop.Dom;
 
 namespace ICSharpCode.PackageManagement.EnvDTE
 {
 	public class CodeFunction2 : CodeFunction
 	{
-		public CodeFunction2()
+		public CodeFunction2(IMethod method)
+			: base(method)
 		{
 		}
 		

src/AddIns/Misc/PackageManagement/Project/Src/EnvDTE/CodeTypeMembers.cs

@@ -33,7 +33,7 @@ namespace ICSharpCode.PackageManagement.EnvDTE
 		
 		void AddMethod(IMethod method)
 		{
-			AddCodeElement(new CodeFunction(method));
+			AddCodeElement(new CodeFunction2(method));
 		}
 		
 		void AddField(IField field)

src/AddIns/Misc/PackageManagement/Test/Src/EnvDTE/CodeClass2Tests.cs

@@ -211,7 +211,7 @@ namespace PackageManagement.Tests.EnvDTE
 			AddMethodToClass("MyClass.MyMethod");
 			
 			CodeElements codeElements = codeClass.Members;
-			CodeFunction codeFunction = codeElements.FirstCodeFunctionOrDefault();
+			CodeFunction2 codeFunction = codeElements.FirstCodeFunction2OrDefault();
 			
 			Assert.AreEqual(1, codeElements.Count);
 			Assert.AreEqual("MyMethod", codeFunction.Name);

src/AddIns/Misc/PackageManagement/Test/Src/Helpers/CodeElementsExtensions.cs

@@ -24,9 +24,9 @@ namespace PackageManagement.Tests.Helpers
 			return ToList(codeElements).FirstOrDefault();
 		}
 		
-		public static CodeFunction FirstCodeFunctionOrDefault(this CodeElements codeElements)
+		public static CodeFunction2 FirstCodeFunction2OrDefault(this CodeElements codeElements)
 		{
-			return codeElements.FirstOrDefault() as CodeFunction;
+			return codeElements.FirstOrDefault() as CodeFunction2;
 		}
 		
 		public static CodeClass2 FirstCodeClass2OrDefault(this CodeElements codeElements)