Add `i18n` package (npm)
Configure i18n
Set cookieParser
Translate lib/irc
Used i18n on routes
Translate jade template
Update locales default (en)
Update locales pt-br
Merge branch 'master' of github.com:irclife/ichat.io

* 'master' of github.com:irclife/ichat.io:
  Add part socket message