- Use json data to define possible nodes
 - Use json data to configure node style
 - get rid of handlebars
 - pass json data in the drag context

failure to be able to wait for other events to happen at the same time before interrupting the victim

correction in object interruptions. If Shift waits for last process and failure happens, then shift should end

SkilledOperatorRouter to pass previous assignment to LP method. Default weight set to 0 so that old tests run. weights to be set as input