Adds a key in lang files (general_csv_decimal_separator) to set the decimal separator (point or comma) in csv exports (#1372).

git-svn-id: http://redmine.rubyforge.org/svn/trunk@1591 e93f8b46-1217-0410-a6f0-8f06a7374b81

lang/cs.yml

@@ -51,6 +51,7 @@ general_text_no: 'ne'
 general_text_yes: 'ano'
 general_lang_name: 'Čeština'
 general_csv_separator: ','
+general_csv_decimal_separator: '.'
 general_csv_encoding: UTF-8
 general_pdf_encoding: UTF-8
 general_day_names: Pondělí,Úterý,Středa,Čtvrtek,Pátek,Sobota,Neděle