Draggable: Removed 'option' from default exclude option (should be handled by 'select').
Draggable: Use outerWidth/Height for iframe blocks.
Draggable: Cleanup.
Updated docs links.
Draggable: Don't guard against invalid helper values.
Draggable: Move _resetDomPosition() out of the interaction interface section.
Draggable: Don't return a value in _move().
Add first cut of pointer special event plugin
Update interactions and draggable to use the new pointer special event
Draggable: Add comment explaining addition of -ms- style
Pointer types are strings
Use .on and .off and use $
Interaction: Use button and buttons to determine device button state
Pointer: More specific event property transfer and cleanup
Pointer: Change pointerType strings and better determine isPrimary
Pointer: Add pointercancel
Pointer: Don't specify button/buttons as that should be copied from the original mouse event
Interaction: Only necessary to check the value of button
Pointer: Add pointerover and pointerout, fix pointercancel, trigger pointerover and pointerout when hover is not supported, add missing properties and properly translate MSPointer pointerType integers to Pointer strings
Pointer: Set pressure according to spec