CAP-37 #comment Added MoveUpCommand.
CAP-37 #comment refactored MoveUpCommand
CAP-37 #comment implemented moveDown command.
fixed minor bug.
fixed minor bug.
CAP-37 #comment As a user I can change the depth of the element box by clicking on the up and down buttons #close Changing element depth works and test 37 works
Merge branch 'dev' of https://github.com/snwfog/ppedit into dev

Conflicts:
	ppedit/coffee/src/graphics/components/box/box.coffee
	ppedit/coffee/src/graphics/components/ppeditor.coffee
	ppedit/js/ppedit.js