v3.5.20

• Improvement: Organize MongoDB collection indexes uniqueness
• Improvement: Reactify admin pages (External Account Management)
• Fix: Search result or Timeline shows loading icon eternally when retrieving not accessible page
• Support: Use SearchBox Elasticsearch Addon on Heroku
• Support: Upgrade libs
  • cross-env
  • eslint-plugin-jest
  • i18next
  • i18next-browser-languagedetector
  • migrate-mongo
  • react-i18next
  • validator