Add two additional default vinted rooms to irssi config
Add awl_display_key_active - makes finding current window easier
Add 'Mindaugas' to hilight list
Add #vim on freenode to default channel list
Improve xmpp configuration

Based on https://github.com/lvii/dotfiles/blob/15391e7085121ca91196f3180865975e4570854a/irssi/config