changing graph stuff
Merge branch 'master' of https://github.com/tylerphelan/project4

Conflicts:
	src/BaseLesson.java
	src/InterestLesson.java
	src/MarketLesson.java
	src/MoneyLesson.java
	src/RiskLesson.java
	src/SavingLesson.java
	src/StocksLesson.java
nothing
Merge branch 'master' of https://github.com/tylerphelan/project4

Conflicts:
	src/BaseLesson.java
	src/InterestLesson.java
	src/MarketLesson.java
	src/MoneyLesson.java
	src/Program.java
	src/RiskLesson.java
	src/SavingLesson.java
	src/Simulation.java
	src/SimulationController.java
	src/SimulationExplanation.java
changing base lesson, explanation pages, and graph interface
changes to lessons and graph and simulation