Re list bug fix

Fixes oja-list-bug #184

Also changes the _amd.html_ example not to use custom elements, as this caused issues when testing this (_NSERROR_ when doing `insertOrderedList` with the caret at the end of a 1 line paragraph).
Not your mistake, but I think the isolated case here should be http://jsbin.com/eFiRedUc/1/edit. Or am I going crazy?