message: [CHANGELOG] Document fetching and caching of all data.
diff: - Adds CityTab stying and passes CityName to AllEvents view - kieran
  - Fixes render failure with missing city coords - ash
  - Remembers user's last selected city - ash
  +- Fetches all city (and associated shows + fairs) data and cache on-device for 1 day - alloy
  ### 1.8.10
  