Locale template fetch function

*Title: Locale template fetch function

*Documentation:

The "locale" fetch function has been added that allows a specific locale to be fetched.
The function has "locale_code" parameter.
If it is omitted current locale name will be used (site.ini[RegionalSettings].Locale)

*Summary
Fetches the available locale by locale code (for instance nor-NO or eng-GB.)

*Returns
ezlocale object.

*Example

{def $current_locale = fetch( 'content', 'locale' )
     $rus_ru_locale  = fetch( 'content', 'locale', hash( 'locale_code', 'rus-RU' ) )}
     
{$current_locale.locale_code} : {$current_locale.country_name}
{$rus_ru_locale.locale_code}  : {$rus_ru_locale.country_name}