fix commit diff display
Gem to include inline css in emails added
Helpers added
Push template refactored
Layout for event notification emails added
Layout for event notification emails integrated
Pushed summary email improved
Merge branch 'feature/notifications' into new_legacy_staging

* feature/notifications:
  Pushed summary email improved
  Layout for event notification emails integrated
  Layout for event notification emails added
  Push template refactored
  Helpers added
  Gem to include inline css in emails added
  fix commit diff display
update migration