Returns a new collection of Device Models
See README.Topo2Collection
#Model
Calls the super method.
Called when the model properties change. Updates the classNames, visibility and Device Color.
Returns the icon to be used for the device
Displays the details panel
Sets the visibility of the Device for the selected mastership
Hides or Shows according to the value specified in the topo2_prefs['offline_devices']
Runs the exit animate and removal of the device