Add crop sprout, healthy, and dead image files
Correct crop images inserted, CSS positioning finalized
userclickedA and userclickedB updated to reveal correct crop sprout image on click, allows user to click back and forth between A and B
Hide sprouts on #grow click, show dead or healthy crop within displayWeather, remove crop graphics in updateGame
Crop imagery from displayWeather is removed after 4000ms in upDate game. Graphics now fit storyboard.