char16_t and char32_t tests: removed dependencies on Unicode literals, add test for implementations that are typedefs and so not really conforming. Unicode literal test: now check for all three forms of Unicode literals - u8, u, and U.

[SVN r75694]

test/config_info.cpp

@@ -1102,6 +1102,10 @@ void print_boost_macros()
 
 
 
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    // END GENERATED BLOCK
 
    PRINT_MACRO(BOOST_INTEL);