grim/guifications3

added a macro for adding tests to gflib.cmake (this will need to be made expandable later)
moved testing from ctest to part of the normal build
using System.Reflection;
using System.Runtime.CompilerServices;
[assembly:AssemblyVersion("@API_VERSION@")]
[assembly:AssemblyDelaySign(false)]
[assembly:AssemblyKeyFile("@srcdir@/gflib-sharp.snk")]