use / character to delimit object keys when setting nested attributes in Cell.attr()
do not preventDefault() action on paper>>pointerup()
Missing parameter in _prepareData

I'm seeing this error in my console

Uncaught ReferenceError: graph is not defined

Adding this parameter fixes the function for me.
Merge pull request #42 from timl/patch-1

Missing parameter in _prepareData
add .highlighted class to joint.css in order to highlight elements during link reconnection
remove unused backbone.mutators library
Merge branch 'master' of https://github.com/DavidDurman/joint
Merge pull request #41 from areel/master

Bezier Curve as default smooth link
Merge branch 'master' of https://github.com/DavidDurman/joint