ref #701, "improved countries"

* utility function for "accent free" strings
* added 3 letter ISO, alias names
* improved searching in countries

src/blackmisc/countrylist.h

@@ -49,6 +49,9 @@ namespace BlackMisc
         //! Find "best match" by country
         CCountry findBestMatchByCountryName(const QString &countryName) const;
 
+        //! Find first by alias
+        CCountry findFirstByAlias(const QString &alias) const;
+
         //! ISO/name string list
         QStringList toIsoNameList() const;