WEB: Add screenshots from the Polish version of KQ5 (patch #1594)
WEB: Add screenshots from the Polish version of LSL2 (patch #1595)
WEB: Add a fixed height to screenshot boxes

This fixes layout problems with pages where screenshot boxes have a
different height (due to shorter/longer captions)
WEB: Add 2 screenshots from the Polish version of LSL3 (patch #1596)
WEB: Add 2 screenshots from the Polish version of LSL6 (patch #1597)
WEB: Add 2 screenshots from the Polish version of Broken Sword 2 (patch #1598)
WEB: Move the Revolution games screenshots into a separate folder
WEB: Announce The Neverhood testing