A stemmer for French words. The algorithm is based on the work of
Dr Martin Porter on his snowball project
refer to http://snowball.sourceforge.net/french/stemmer.html
(French stemming algorithm) for details
Changelog: 2005/06/06: changed isVowel(char) for unicode support (jf@teamskill.de)
author: Patrick Talbot
Stemms the given term to a unique discriminator.
Parameters: term - java.langString The term that should be stemmed java.lang.String Discriminator for term