File list (Check if you may need any files):
session
.......\build
.......\.....\web
.......\.....\...\J2EE.dpf
.......\.....\...\META-INF
.......\.....\...\........\MANIFEST.MF
.......\.....\...\Thumbs.db
.......\.....\...\VistaError.jsp
.......\.....\...\VistaIniciarSesion.jsp
.......\.....\...\VistaPrincipal.jsp
.......\.....\...\WEB-INF
.......\.....\...\.......\classes
.......\.....\...\.......\.......\mvc
.......\.....\...\.......\.......\...\beans
.......\.....\...\.......\.......\...\.....\usuario.class
.......\.....\...\.......\.......\...\model
.......\.....\...\.......\.......\...\.....\modelo.class
.......\.....\...\.......\sun-web.xml
.......\.....\...\.......\web.xml
.......\build.xml
.......\dist
.......\....\session.war
.......\nbproject
.......\.........\ant-deploy.xml
.......\.........\build-impl.xml
.......\.........\genfiles.properties
.......\.........\private
.......\.........\.......\private.properties
.......\.........\.......\private.xml
.......\.........\project.properties
.......\.........\project.xml
.......\src
.......\...\conf
.......\...\....\MANIFEST.MF
.......\...\java
.......\...\....\mvc
.......\...\....\...\beans
.......\...\....\...\.....\usuario.java
.......\...\....\...\model
.......\...\....\...\.....\modelo.java
.......\test
.......\web
.......\...\Thumbs.db
.......\...\VistaError.jsp
.......\...\VistaIniciarSesion.jsp
.......\...\VistaPrincipal.jsp
.......\...\WEB-INF
.......\...\.......\sun-web.xml
.......\...\.......\web.xml