New localization notes for translators (2)
Escape some special characters in .properties files
Support alternate destinations for "Get More Language Packs" command
Add a preferences window for the extension
Update known compatibility info
Use a single folder level for localization files

Workaround for babelzilla
Expose some extension metadata to translators

Require manual integration, for the moment.
New localization: Chinese Simplified (zh-CN)

Credits to YFdyh000 from babelzilla.org
Update zh-CN localization