done with Step 5
added Bed class, child class BunkBed, changed AllMyDrawings to have different drawings of Beds and Bunk Beds. JavaDoc included.
removed some files
refactored code in Bed to draw in helper method so drawing BunkBed is easier
updated BunkBed to use helper method in Bed class
updated JavaDoc for drawingHelper
Merge pull request #2 from ianvernon/master

added Bed and BunkBed class, updated AllMyDrawings / SimpleGUI in ianvernon directory