Update Make system with GTk files
Update Make system with GTk files

We have a Gtk template. We still use the make system when building from
source. Include the files in the makefile

fsharp/fsharpbinding,Ming-Tang/fsharpbinding,fsharp/fsharpbinding,nosami/xamarin-monodevelop-fsharp-addin,fsharp/xamarin-monodevelop-fsharp-addin,xamarin/fsharpbinding,fsharp/fsharpbinding,fsharp/xamarin-monodevelop-fsharp-addin,Ming-Tang/fsharpbinding,Ming-Tang/fsharpbinding,xamarin/fsharpbinding,nosami/xamarin-monodevelop-fsharp-addin