Better translations; settings explanations; option for old encounters

Added explanation text for many options and scenario settings

Improved all translations across all languages

Added back legacy encounters, togglable in options

Updated encounter txt file versions to prevent errors when using outdated mods

Fixed issue with encounter state difficulty guidance prompt in Unified mode causing parsing errors

Fixed rare issue in which corrupted state in scenario editor could break background image generation

Added option to re-order party members

Added option to right-click to revive corpses

Consolidated “Unlimited undos and respecs” and “Allow spawning entities” into “Sandbox editing” which is more indicative of what it does