add a couple of variables to speed up UID lookups. Based on the assumption new visual gears and gears will tend to be at the end of the list. Set them on successful lookup or script gear creation, clear on delete. Oh also pick up a couple of TrevInc's translation changes
[Desktop Entry]
Type=Application
Version=1.0
Encoding=UTF-8
Name=Hedgewars
GenericName=Fighting Hedgehogs
GenericName[de]=Kämpfende Igel
GenericName[ru]=Битвы ежей
GenericName[pl]=Walczące jeże
GenericName[sk]=Bojujúci ježkovia
GenericName[sv]=Stridande igelkottar
GenericName[es]=Batallas entre erizos
GenericName[it]=Ricci combattenti
GenericName[pt]=Batalhas entre ouriços
GenericName[ko]=고슴도치 싸우기
Icon=hedgewars.png
Exec=hedgewars
Terminal=false
StartupNotify=false
Categories=Application;Game;StrategyGame;