Pontoon: Update Bengali (bn-BD) localization of Test Pilot Website
Pontoon: Update Bengali (bn-BD) localization of Test Pilot Website

Localization authors:
- Belayet Hossain <bellayet@gmail.com>
- Mahay Alam Khan <mahayalamkhan@gmail.com>

mozilla/idea-town-server,6a68/testpilot,lmorchard/idea-town-server,chuckharmston/testpilot,clouserw/testpilot,lmorchard/testpilot,fzzzy/testpilot,chuckharmston/testpilot,mozilla/idea-town-server,6a68/idea-town,fzzzy/testpilot,6a68/testpilot,chuckharmston/testpilot,mathjazz/testpilot,lmorchard/testpilot,mozilla/idea-town,meandavejustice/testpilot,clouserw/testpilot,6a68/idea-town,mathjazz/testpilot,flodolo/testpilot,lmorchard/testpilot,mozilla/idea-town,6a68/idea-town,lmorchard/idea-town,lmorchard/idea-town,flodolo/testpilot,lmorchard/idea-town,mozilla/idea-town-server,mozilla/idea-town-server,chuckharmston/testpilot,lmorchard/idea-town-server,mozilla/idea-town,mathjazz/testpilot,lmorchard/testpilot,6a68/testpilot,flodolo/testpilot,dannycoates/testpilot,dannycoates/testpilot,clouserw/testpilot,6a68/testpilot,6a68/idea-town,dannycoates/testpilot,meandavejustice/testpilot,lmorchard/idea-town,lmorchard/idea-town-server,fzzzy/testpilot,mathjazz/testpilot,meandavejustice/testpilot,lmorchard/idea-town-server,dannycoates/testpilot,meandavejustice/testpilot,clouserw/testpilot,flodolo/testpilot,fzzzy/testpilot,mozilla/idea-town