Windows: manifest node.exe for Windows 8.1

Adding a compatibility section to node.exe embedded manifest
so that node is declared expliticly compatible with Windows 8.1.
This is required so that os.release() canreturn the correct version
on Windows 8.1.

See http://msdn.microsoft.com/en-us/library/windows/desktop/ms724451(v=vs.85).aspx

This fixes https://github.com/joyent/node/issues/7534