message: [City] Make event list scroller not jump.
  Fixes
diff: - Bump iOS deployment target to iOS 9 to match Eigen and avoid adding more deprecated method usage - alloy
  - Adds saved shows page - Kieran
  - Make pre-heated GraphQL cache work for people that upgrade the app - alloy
  +- Make content size of event list known upfront to prevent scroller from jumping - alloy
  ### 1.8.14 - 1.8.19
  