different turn notifications based on user browser
upgrade scalachess
nl "Nederlands, Vlaams" translation #1160. Author: Anonymous.
Revert "Revert "Add elo diff to lobby filters WIP""

This reverts commit db44a0e635d0359dca95110ab588b6acb02b68f0.

Conflicts:
	todo
complete elo filter
fix lobby filter for anons
tweak deploy rsync order