Adding LICENSE GPLv3 from github)

README

@@ -3,7 +3,7 @@ The LAGO Analysis suite
 
 CODENAME:	ANNA
 COPYRIGHT:	(C) 2012-today The LAGO Project, http://lagoproject.org, lago@lagoproject.org
-LICENCE:	GPLv3 (see gpl-3.0.txt or https://gnu.org/licenses/gpl.html)
+LICENSE:	GPLv3 (see gpl-3.0.txt or https://gnu.org/licenses/gpl.html)
 PHILOSOPHY:	Free as in Freedom. All our codes are, and always will be, public and open source
 REPOSITORY:	https://github.com/lagoproject
 ORIGINAL:	Hernán Asorey - 2012, asoreyh@cab.cnea.gov.ar (asoreyh@gmail.com)