Calling notifyDataSetChanged refresh the grid but don't mantain the position for the first elements

[tobia80]

Calling notifyDataSetChanged() refresh the list properly and mantain the position everywhere but not when first items are partially displayed.

[slapsys]

mLayoutMode variable apparently is not set to LAYOUT_SYNC - going to make fix soon ;)

[denizmveli]

@MATROsKA Can you please confirm that PR #24 now merged fixes this issue?

[slapsys]

It is easy to reproduce this issue with sample code - just add button which calls notifyDataSetChanged().

[denizmveli]

Yes this looks fixed from #24