Pontoon: Update Czech (cs) localization of Test Pilot Website
Pontoon: Update Czech (cs) localization of Test Pilot Website

Localization authors:
- Tomáš Zelina <zelitomas@gmail.com>
- Michal Stanke <mstanke@mozilla.cz>

mathjazz/testpilot,fzzzy/testpilot,lmorchard/idea-town-server,mozilla/idea-town,lmorchard/idea-town,chuckharmston/testpilot,mathjazz/testpilot,lmorchard/idea-town,mozilla/idea-town,lmorchard/testpilot,flodolo/testpilot,chuckharmston/testpilot,mozilla/idea-town,mozilla/idea-town-server,lmorchard/idea-town,mozilla/idea-town-server,mathjazz/testpilot,fzzzy/testpilot,flodolo/testpilot,lmorchard/idea-town-server,lmorchard/idea-town-server,lmorchard/idea-town,fzzzy/testpilot,flodolo/testpilot,mozilla/idea-town-server,lmorchard/testpilot,fzzzy/testpilot,meandavejustice/testpilot,meandavejustice/testpilot,mozilla/idea-town-server,chuckharmston/testpilot,flodolo/testpilot,meandavejustice/testpilot,meandavejustice/testpilot,lmorchard/testpilot,lmorchard/testpilot,chuckharmston/testpilot,mathjazz/testpilot,mozilla/idea-town,lmorchard/idea-town-server