Remove obsolete variable changeSuccess
Remove initialization of asset move from asset selection
Remove mouse click call when asset drag is started
Remove obsolete mouse click function
Remove obsolete mouse click binding
Split asset move to click and mouse down handlers
Remove redundant event propagation stop
Remove redundant asset selection
Register mouse down only when needed for moving the asset
Remove redundant variable
Introduce functions to register and unregister mouse up events
Remove redundant return value
Delay binding of events
Rebind events and clear DOM when restarting application
Fetch selected asset in selected asset model