Update localization.js

Add Pt-Br translation
Merge pull request #85 from starise/dev

New localized strings + small fixes
Merge pull request #86 from Johnywalves/patch-2

Add Portuguese Translation by Johnywalves
Updated French translation
Post-Summer Sale Cleanup
Merge pull request #87 from Yanuut/dev

Updated French translation
Build 3.9.8
Prep 4.0
Update localization.js

Update Portuguese-Brasil Translation
Merge pull request #88 from Johnywalves/patch-3

Update Portuguese translation