Make video metadata strings translatable in frontend
In the video page, a small part of the strings was untranslatable, e.g. “Player: ”.
These were part of the video metadata. Now these are localizable.
f3e903ace2d3
Make hedgewars frontend not change scheme/weps to Default if script cfg doesn't match a known scheme. That is, will leave on whatever is selected. Also set a bunch of schemes where we don't care what the scheme/weps are to *