And now for something completely different.  I realize there's probably been countless thoughts, blog posts and jokes on the subject of elevator etiquette, but I think mine's a little different as it concerns whether or not using the elevator is polite in certain situations.  Allow me to explain: In college I spent the better part of my years living in the residence halls.  The particular complex I was in consisted of 2 connected buildings.  The building for guys had 5 floors, while the girls had 12.  The elevators were incredibly slow, to the point where it was usually faster to…