first commit, finished door class, doorWithWindow class, and first drawing
finished changing second and third drawing, for AllMyDrawings
changed drawing to a vending machine and a vending machine wih a window
fixed a javadoc comment, changed AllMyDrawing for vending machine
fixed the second drawing, fixed variable names
Merge pull request #6 from mlindsay56/master

Added VendingMachine and VendingMachineWithWindows class under mlindsay/advanced/