Add special items for Windows 8

Add the inf changes to the 64-bit section as well.
Windows 8 requires driver signature verification to be disabled.
Add steps to disable driver signature verification on Windows 8.
Merge branch 'master' of https://github.com/KonajuGames/docs
Merge pull request #19 from KonajuGames/master

Added special notes for Windows 8 driver installation