locale for an_ES

Hi,
   I've been working with a colleague on a hunspell spellchecker for Aragonese language (an_ES) that we'd like to integrate into libreoffice. Which are the steps to be followed? Here you have a locale file.
http://www.it46.se/localegen/locale/1314999923_an_ES.xml
  Thanks.
Juan Pablo Martínez