some enhancements at the documentation

doc/LICENSE

@@ -0,0 +1,17 @@
+RISC Simulator - A Simulator for RISC architecture
+Copyright (C) 2008 Italo Valcy <italo@dcc.ufba.br>
+Copyright (C) 2008 Anderson Martiniano <martiniano@dcc.ufba.br>
+
+This program is free software; you can redistribute it and/or
+modify it under the terms of the GNU General Public License
+as published by the Free Software Foundation; either version 2
+of the License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

doc/README

@@ -2,11 +2,8 @@
 
 Trabalho da disciplina Arquitetura de Computadores - DCC/UFBA. Consiste em construir um simulador de arquitetura RISC.
 
-
----+ Licença
-
-Creative Commons Attributions 2.5 -  http://creativecommons.org/licenses/by/2.5/
-
+Especificacao:
+   http://disciplinas.dcc.ufba.br/MATA48/20081
 
 ---+ Pre-requisitos