Dev fix: DataTables/DataTables #250

- Need to namespace custom DataTables events in 1.10
CSS: Add border-spacing: 0 to the stylesheets

- This is the CSS version of the cellspacing attribute on the table in HTML. It will work in all browsers except IE6/7. IE8+ and the others are all fine. So for the moment most of my examples will continue carrying the cellspacing attribute, but this is useful to have in the core css
Dev fix: Examples - Index column example needs to use namespaced events