Add graph visualization for net worth at least

[evangipson]

Types of graphs needed:

• _Line:_ Cash, Net Worth, Portfolio, Resource Value
• _Donut:_ Location? (time spent)

Love this library, with the mouse overs with data and such: http://morrisjs.github.io/morris.js/

I'd like to have each resource have a graph visualization of it's cost over time.

The pop up when you click the stock will have a button that says: "Statistics" or "History" that will show a crude graph of where it's been, in addition to the "buy" "sell" and "cancel" button.

• Maybe even drop the "cancel" button in favor of the "X" and make the "X" close the previous modals for buy/sell/stats?
• Also I could attach that pop-up behavior (if I write it as a method) to the "resource-decrease" and "resource-increase" classes in the log (showing when resource prices are falling and rising). If you hover over them (change cursor to pointer!) you will get a graph of their history!
• I'm going to need to have a large "data" module (sort of like the morris library uses) which I will extend anytime updateInventory is called to store historical data, so creating graphs will be easy. I should have measured (not sure where all this info will be present on the website, but I forsee all this data being useful):
  • Cash
  • Portfolio
  • Total Worth
  • Each Resources Value
  • Total Market Value

Maybe even try to forecast future stock prices after I implement the different types in issue #17.