entry data attached to parentLi

In the jQueryUI 1.11 branch of the menugenerator the entry data has not been passed to the select handler. 

With this change it can be accessd using ui.item.data().
Update jquery.ui-contextmenu.min.js
Update jquery.ui-contextmenu.min.js
Update jquery.ui-contextmenu.min.js
Update jquery.ui-contextmenu.min.js
Update jquery.ui-contextmenu.min.js
Update jquery.ui-contextmenu.min.js
Merge pull request #76 from a-sassermann/master

entry data was attached to wrong dom element