MSVC 2010 RC - VC++ Directories 설정 관련 변동

http://blogs.msdn.com/vsproject/archive/2009/07/07/vc-directories.aspx

http://social.msdn.microsoft.com/Forums/en-US/vcprerelease/thread/6112b0b4-babb-49a2-9cd0-1b20c28adfcf