Update headers tools files.
The checkstyle header check now requires to have the year 2009 which is the
year Beem was first released.
This file contains the name of the people who have contributed to
BEEM. The names are sorted alphabetically by last name.
Core Team :
Frederic-Charles Barthelery
Jean-Manuel Da Silva
Nikita Kozlov
Philippe Lago
Jean Baptiste Vergely
Vincent Véronis
Contributors :
Nolan Darilek
Stefan Endrullis
Tranlators :
GoApk http://goapk.com for chinese translations
Daniel Hofmann for german translations
Andrea Selva for italian translations
Erik Lindström for swedish translations
Thanks to all !