Pontoon: Update Slovenian (sl) localization of AMO
Pontoon: Update Slovenian (sl) localization of AMO

Localization authors:
- Rok Žerdin <zerdo90@gmail.com>
- Matjaž Horvat <matjaz.horvat@gmail.com>

mozilla/addons-server,kumar303/addons-server,mozilla/addons-server,psiinon/addons-server,eviljeff/olympia,eviljeff/olympia,bqbn/addons-server,mozilla/olympia,mozilla/addons-server,kumar303/olympia,diox/olympia,kumar303/addons-server,eviljeff/olympia,bqbn/addons-server,diox/olympia,psiinon/addons-server,mozilla/olympia,wagnerand/addons-server,kumar303/addons-server,mozilla/olympia,diox/olympia,wagnerand/addons-server,kumar303/olympia,mozilla/addons-server,kumar303/olympia,wagnerand/addons-server,wagnerand/addons-server,diox/olympia,mozilla/olympia,psiinon/addons-server,kumar303/addons-server,psiinon/addons-server,eviljeff/olympia,kumar303/olympia,bqbn/addons-server,bqbn/addons-server