alot of everything

Updated xml and images.  Changed/fixed market, customer frequency,
business, and game controller.  Now game plays at a rate that works well
yet goes wrong if you don't go the right thing(buy the right amount of
supplies, set a good price, etc.).
The Lemonade doesn't run out too fast and gets more stable as you get
more money and are able to afford more supplies at a time and make more
lemonade at a time, which is good.
Merge pull request #23 from icarreras/image_fixing

alot of everything-merge ASAP!