Updated JavaDoc.
Merge branch 'evan' of https://github.com/jacoblwright/hit into nick
pulled from all the others to fix doc compile issue, commiting before making ur (undo/redo) branch
fixed command classes to follow composite pattern (CompositeComand, LeafCommand)
missed Command class for the build
undo/redo refactoring complete
finished undo/redo, still need to do a little more testing but it works!
Merge branch 'andy' of https://github.com/jacoblwright/hit into evan
fixed adding items with count larger than one, works like a charm!
Added report visitors and report objects.
Merge branch 'andy' of https://github.com/jacoblwright/hit into andy
More changes.
Even more changes.
finished some cosmeting issues with maintaining selections while editing or removing an item
Merge branch 'ur' into nick
Added more report classes
expired item report done but not thoroughly tested
More changes.
Merge branch 'nick' of https://github.com/jacoblwright/hit into andy

Conflicts:
	src/model/Item.java
ExpiredItemsVisitor is tested and good to go