Moved some components into a detail sub-directory

git-svn-id: https://svn.code.sf.net/p/turtle/code/trunk@489 860be788-9bd5-4423-9f1e-828f051e677b

turtle/detail/function_template.hpp

@@ -9,6 +9,8 @@
 #include "expectation_template.hpp"
 
 namespace mock
+{
+namespace detail
 {
     template< typename Signature > class function;
 
@@ -264,4 +266,5 @@ namespace mock
 
         boost::shared_ptr< function_impl > impl_;
     };
+}
 } // mock