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!
fixed adding items with count larger than one, works like a charm!
finished some cosmeting issues with maintaining selections while editing or removing an item
Merge branch 'ur' into nick
More changes.
Merge branch 'nick' of https://github.com/jacoblwright/hit into andy

Conflicts:
	src/model/Item.java
Added RemovedItemsVisitorTest.
bug fixes
Updated the RemovedReportController