import map names from crossfire
remove explicit region from maps that are sorted nicely, for higher portability
replace most material types by named materials, also normalised maps again
manually add file_format_version 1 to all map headers, defined as 'fixdialogue + faces renamed'
adjusted map difficulties for shops - japan/wolfsburg/random minor places are missing
extended some shops a bit as compensation that no rings or spellbooks are found in the treasurelists anymore.
Normalised all maps
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