Changed from boost_no_union_static_data to boost_no_cxx11_unrestricted_union, in both files and macro name. Implemented extended functionality for user-defined classes with non-trivial special member functions in test.

test/config_info.cpp

@@ -1145,7 +1145,7 @@ void print_boost_macros()
    PRINT_MACRO(BOOST_NO_CXX11_TRAILING_RESULT_TYPES);
    PRINT_MACRO(BOOST_NO_CXX11_UNICODE_LITERALS);
    PRINT_MACRO(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX);
-   PRINT_MACRO(BOOST_NO_CXX11_UNION_STATIC_DATA);
+   PRINT_MACRO(BOOST_NO_CXX11_UNRESTRICTED_UNION);
    PRINT_MACRO(BOOST_NO_CXX11_USER_DEFINED_LITERALS);
    PRINT_MACRO(BOOST_NO_CXX11_VARIADIC_MACROS);
    PRINT_MACRO(BOOST_NO_CXX11_VARIADIC_TEMPLATES);