Pontoon: Updated Polish (pl) localization of MDN
Pontoon: Updated Polish (pl) localization of MDN

Translation authors:
- Teo Życzkowski <leszekz@gmail.com>

openjck/kuma,a2sheppy/kuma,darkwing/kuma,a2sheppy/kuma,jwhitlock/kuma,ollie314/kuma,jwhitlock/kuma,Elchi3/kuma,a2sheppy/kuma,openjck/kuma,safwanrahman/kuma,darkwing/kuma,openjck/kuma,SphinxKnight/kuma,darkwing/kuma,safwanrahman/kuma,Elchi3/kuma,escattone/kuma,safwanrahman/kuma,SphinxKnight/kuma,mozilla/kuma,mozilla/kuma,SphinxKnight/kuma,mozilla/kuma,jwhitlock/kuma,safwanrahman/kuma,a2sheppy/kuma,mozilla/kuma,escattone/kuma,yfdyh000/kuma,jgmize/kuma,mozilla/kuma,safwanrahman/kuma,jwhitlock/kuma,yfdyh000/kuma,jgmize/kuma,jwhitlock/kuma,safwanrahman/kuma,darkwing/kuma,SphinxKnight/kuma,ollie314/kuma,jgmize/kuma,SphinxKnight/kuma,ollie314/kuma,ollie314/kuma,ollie314/kuma,openjck/kuma,yfdyh000/kuma,SphinxKnight/kuma,darkwing/kuma,jgmize/kuma,yfdyh000/kuma,yfdyh000/kuma,yfdyh000/kuma,Elchi3/kuma,openjck/kuma,jgmize/kuma,darkwing/kuma,openjck/kuma,escattone/kuma,Elchi3/kuma,jgmize/kuma,Elchi3/kuma,a2sheppy/kuma,ollie314/kuma