Update properties
Upgrade 1.5 branch with trunk's French countries names, deleting an invisible space added for SS.
Quantities can be negative; select Plural when <=-2
Fix bug in EDI address code validation
Improved translations for Spanish
Improved localization for Spanish names of countries (with correct line-endings)
Revert es_ES_countries.txt to previous version, with correct line-endings
Improved localization for Spanish names of countries; restore Iles Caymanes in French; restore same order of countries as en-ES for both Italian and Spanish