Repaint works

Signed-off-by: wenpin.cui <wenpincui224@gmail.com>
assoc Painter with tab's fragment

Signed-off-by: wenpincui <wenpincui224@gmail.com>
add PainterManager to manage all the Painters.
seperate painter and painterview

Signed-off-by: wenpincui <wenpincui224@gmail.com>
add container view for dispatch touch event

Signed-off-by: wenpincui <wenpincui224@gmail.com>
change app name to 'Co Writing'

Signed-off-by: wenpincui <wenpincui224@gmail.com>
move visibility and touch dispatch logic to container view

Signed-off-by: wenpin.cui <wenpincui224@gmail.com>
add wifi direct and modify bluetooth related
merge bluetooth with master