add pointerDownPointer fix

3.0.0

upgrade unipointer v2.4.0

safari 9 fix

refactor pointerDown; use Unipointer 2.3

add _touchActionValue for Flickity to overwrite

add back touch-action:none for pointer events

remove touchAction: none

remove mspointer; set touchAction for all

upgrade Unipointer v2.1.0 — use ev-emitter