updated .gitignore for visual studio by selecting stuff from here: https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
updated .gitignore for visual studio by selecting stuff from here: https://github.com/github/gitignore/blob/master/VisualStudio.gitignore

RossBencina/QueueWorld,RossBencina/QueueWorld