Pontoon: Update Chinese (China) (zh-CN) localization of Test Pilot Website
Pontoon: Update Chinese (China) (zh-CN) localization of Test Pilot Website

Localization authors:
- 新垣结衣松冈茉优长泽雅美门胁麦上野树里石原里美 <eloli@foxmail.com>

lmorchard/idea-town-server,flodolo/testpilot,lmorchard/idea-town-server,lmorchard/testpilot,lmorchard/testpilot,meandavejustice/testpilot,mozilla/idea-town,mozilla/idea-town,flodolo/testpilot,mozilla/idea-town-server,lmorchard/idea-town,lmorchard/idea-town,mozilla/idea-town,meandavejustice/testpilot,mozilla/idea-town,lmorchard/testpilot,meandavejustice/testpilot,lmorchard/idea-town,lmorchard/idea-town,mozilla/idea-town-server,flodolo/testpilot,mozilla/idea-town-server,lmorchard/testpilot,flodolo/testpilot,meandavejustice/testpilot,mozilla/idea-town-server,lmorchard/idea-town-server,lmorchard/idea-town-server