Reorderable drag-and-drop lists for modern browsers and touch devices. No jQuery or framework required.
use protocol-relative URL to load libraries
browser will tell users that the page contains some insecure resources, use protocol-relative URL can prevent this issue. reference : [The Protocol-relative URL](http://www.paulirish.com/2010/the-protocol-relative-url/)
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Peter Dave Hello committed
d13dbf661503d00f195f2b54e4a0310bdcfeb495
Parent: ea24eac