* Let ImageMagick determine the quality of the converted image instead of   hardcoding "-quality 85" * Print warnings if aspect ratios don't match, i.e. if   (1) the spec's width:height doesn't match an image's width:height, or   (2) the spec's width:height doesn't match the spec's thumb_width:thumb_height
* Let ImageMagick determine the quality of the converted image instead of
  hardcoding "-quality 85"
* Print warnings if aspect ratios don't match, i.e. if
  (1) the spec's width:height doesn't match an image's width:height, or
  (2) the spec's width:height doesn't match the spec's thumb_width:thumb_height

nightjuggler/pig,nightjuggler/pig,nightjuggler/pig