Arrays: fixed incorrect event propagation for +/- in nested arrays.
Arrays: fixed incorrect event propagation for +/- in nested arrays.

event.preventDefault() is not enough to stop the propagation of an
event to its ancestors. It needs to be completed with a call to
event.stopPropagation(). Done throughout the code.

iainbeeston/jsonform,jsonform/jsonform,globocom/jsonform,imkevinyang/jsonform,capriza/jsonform,tagyangyang/jsonform,nishant8BITS/jsonform,yklykl530/jsonform,globocom/jsonform,mrthan/jsonform-rails,widgetworks/jsonform,suricactus/jsonform,imkevinyang/jsonform,ulion/jsonform,joshfire/jsonform,nishant8BITS/jsonform,tagyangyang/jsonform,suricactus/jsonform,ulion/jsonform,capriza/jsonform,jsonform/jsonform,widgetworks/jsonform,joshfire/jsonform