event.add method now returns kxEvent, fixed documentation issues for listen and live methods
event.add method now returns kxEvent, fixed documentation issues for listen and live methods

kxEvent
* changed add method to return kxEvent itself
* updated documentation for both deprecated method listen and live
(which no longer return void but instead kxEvent, where the
documentation specified these would return the added delegate function)

daanvanham/konflux,konfirm/konflux,konfirm/konflux,daanvanham/konflux