Added accessors to Graph class
Merge branch 'master' of https://github.com/MarsEdge/OUCS2334

Conflicts:
	Project3/src/Graph.java
Merge branch 'master' of https://github.com/MarsEdge/OUCS2334
Added ChartPanel class for making the graphs and edited methods in Graph class
ChartPanel
update ignore
Merge branch 'master' of https://github.com/MarsEdge/OUCS2334