Add drag-n-drop capability
Create dynamic.js to allow drag-n-drop capability
Fix bug concerning keyword 'arguments'
Rename 'dynamic.js' to 'drag-controller.js'
Allow dragController to be configurable; utilize dragController
Allow mediator to publish multiple arguments
Refactor name of drag-controller.js file
Change from call() to apply() to eliminate pesky brackets
Invoke initialize() during construction
Fix spelling of initialize()
Enable piece subtypes to access default function
Have pieces track drop events