Updates book metadata

books/amor/arte.mdwn

books/amor/dor.mdwn

books/amor/enamoramento.mdwn

books/amor/liquido.mdwn

books/amor/poesia-sabedoria.mdwn

books/amor/tesao.mdwn

books/filosofia/metodo.mdwn

books/psicologia.mdwn

books/psicologia/psychology-of-intelligence.mdwn

books/scifi/cyberiad.mdwn

books/sociedade/ends-of-sleep.mdwn

books/sociedade/preguica.mdwn

books/sociedade/segundo-sexo.mdwn

books/sociedade/sociedade-contra-o-estado.mdwn

books/sociedade/tolice.mdwn

books/sociedade/youre-not-a-gadget.mdwn

books/spy/perfect-spy.mdwn

books/spy/puzzle-palace.mdwn

books/tecnopolitica.mdwn

books/vida/arte-da-vida.mdwn