Updating test to make it easier to test against multiple versions of jQuery
Use new wheel event if available (fixes Firefox 17+ issues and adds horizontal support to IE9+)
Normalize the detal values
Support AMD loaders
Bump version to 3.1.0 and update copyright
LICENSE.txt: bump copyright year
README.markdown: use more markdown syntax and break a very long line
test/index.html:

* remove unneeded type="text/javascript"
* specify charset="iso-8859-1" and lang="en"
add JSHint config