change ENCODING for template1

gistfile1.sql

-- Postgres makes it difficult four you to shoot yourselves in the foot
-- So it is not allowed to delete template databases
UPDATE pg_database SET datistemplate = FALSE where datname = 'template1';
DROP DATABASE template1;
CREATE DATABASE template1 WITH template = template0 encoding = 'utf8';
UPDATE pg_database SET datistemplate = TRUE where datname = 'template1';