fix friend game source detection
localize number of games on user preview
upgrade chess module
el "Ελληνικά" translation #4575. Author: Anonymous.
el "Ελληνικά" translation #4577. Author: Anonymous.
sk "slovenčina" translation #4585. Author: marcakk.
fi "suomi, suomen kieli" translation #4587. Author: Anonymous.
ar "العربية" translation #4589. Author: Anonymous.
ja "日本語" translation #4590. Author: Anonymous.
pt "Português" translation #4592. Author: Anonymous.
fi "suomi, suomen kieli" translation #4598. Author: Anonymous.
lv "latviešu valoda" translation #4603. Author: Anonymous.