Update es.xml

Some sentences did not make sense on Spanish. (word to word translated). 
Better explained mechanics
Fixed grammar and accents

# Conflicts:
#	src/RealTime/Localization/Translations/fr.xml
#	src/RealTime/Localization/Translations/ko.xml

- citizens stay at home on bad weather
- citizens return home on bad weather
- same behavior for significant disasters

- implement event cancellation for destroyed and abandoned buildings

Update fr.xml

Update the French translation

First Korean Translation

Thanks for Ko.xml, so i translated this. thanks for made good mode :)
some change for korean translation

some change to korean translation - weird sentence deleted & some polished