Add charset to DSN.
Add charset to DSN.

fxghqc/golang-goji-sample,prashanthrv/sangeeblog,postgred/express-gojki-jenkins,postgred/express-gojki-jenkins,fxghqc/golang-goji-sample,haruyama/golang-goji-sample,haruyama/golang-goji-sample,prashanthrv/sangeeblog