message: Refactor noexcept macros
  Define noexcept using _MSC_VER instead of _MSC_FULL_VER (first release
  of MSVC 2015 should have it), remove redundant PUGIXML_HAS_NOEXCEPT and
  define PUGIXML_NOEXCEPT_IF_NOT_COMPACT in terms of PUGIXML_NOEXCEPT.
diff: #endif
  // If C++ is 2011 or higher, add 'noexcept' specifiers
  -#ifndef PUGIXML_HAS_NOEXCEPT
  +#ifndef PUGIXML_NOEXCEPT
  # if __cplusplus >= 201103
  -# define PUGIXML_HAS_NOEXCEPT
  -# elif defined(_MSC_FULL_VER) && _MSC_FULL_VER >= 190023026
  -# define PUGIXML_HAS_NOEXCEPT
  +# define PUGIXML_NOEXCEPT noexcept
  +# elif defined(_MSC_VER) && _MSC_VER >= 1900
  +# define PUGIXML_NOEXCEPT noexcept
  +# else
  +# define PUGIXML_NOEXCEPT
  # endif
  #endif
  -#ifdef PUGIXML_HAS_NOEXCEPT
  -# define PUGIXML_NOEXCEPT noexcept
  +
  +// Some functions can not be noexcept in compact mode
  #ifdef PUGIXML_COMPACT
  # define PUGIXML_NOEXCEPT_IF_NOT_COMPACT
  #else
  -# define PUGIXML_NOEXCEPT_IF_NOT_COMPACT noexcept
  -# endif
  -#else
  -# define PUGIXML_NOEXCEPT
  -# define PUGIXML_NOEXCEPT_IF_NOT_COMPACT
  +# define PUGIXML_NOEXCEPT_IF_NOT_COMPACT PUGIXML_NOEXCEPT
  #endif
  // If C++ is 2011 or higher, add 'override' qualifiers
  