Hey Leaf owners -- that's right, all 4,000 of you -- it looks like Nissan took your complaints feedback to heart and is making a few standard additions its EV auto line. Prospective owners of the yet-to-be delivered 2012 models can look forward to the inclusion of a DC fast charge port that'll have your roadster 80 percent juiced in under 30 minutes and some cold weather features -- like heated seats and a battery warmer. The Japanese carmaker also announced plans to