Add 64-bit Visual Studio artifacts to .gitignore.
Add 64-bit Visual Studio artifacts to .gitignore.

MichaelJCaruso/vision,MichaelJCaruso/vision,VCommitter/vision,VisionAerie/vision,c-kuhlman/vision,MichaelJCaruso/vision,MichaelJCaruso/vision,VCommitter/vision,c-kuhlman/vision,vision-dbms/vision,VisionAerie/vision,vision-dbms/vision,VisionAerie/vision,VCommitter/vision,VisionAerie/vision,c-kuhlman/vision,VisionAerie/vision,vision-dbms/vision,VCommitter/vision,vision-dbms/vision,MichaelJCaruso/vision,c-kuhlman/vision,c-kuhlman/vision,VisionAerie/vision,vision-dbms/vision,MichaelJCaruso/vision,VCommitter/vision,VCommitter/vision,vision-dbms/vision,VisionAerie/vision,VCommitter/vision