#871 product with a single image

#871 product with a single image get similar treatment to a product with multiple images

+ Added the same classes to single image as to multiple images to give similar appearance ( border and image centred, bottom margin )
+ Found Recently viewed carousel looking broken if related product visible - ( as related is floated left with recommended ).  These are now just stacked product containers rather than divided.
+ Removed some css was redundant -- couldn't find a hook in the markup.