Fix some incorrect German translations
- translate “turn” as “Zug” instead of “Runde”
- fix other wrongly translated words
- fix some incorrect string IDs in de.txt
- typo fixes
foreach(dir
British
Classic
Default
Default_es
Default_pl
Default_ru
Default_uk
HillBilly
Mobster
Pirate
Robot
Russian
Russian_pl
Singer
Surfer
)
add_subdirectory(${dir})
endforeach(dir)