* Fix push notifications where channel is set to all activity
* feedback review
* moved push notification logic to DoesStatusAllowPushNotification
* Have every option handled in ShouldSendPushNotification
* unit tests
* PLT-3193 Add channel notification preferences for push and email notifications
* unit tests, model validation and localization
* Feedback review
* Adding back allowFromCache check
* Setting push and email to use default settings
* Move props as constants
* address feedback
* Adding go vet to the api package
* Adding go vet to app package
* Adding go vet to manualtesting package
* Adding go vet to the model package
* Adding go vet to the store dir
* Adding go vet to utils package
* Adding missing dirs with go files
* Fixing up makefile
* Fixing up makefile
* Removing root dir
* Refactor and move session logic into app package
* Refactor email functions into the app package
* Refactor password update into app package
* Migrate user functions to app package
* Move team functions into app package
* Migrate channel functions into app package
* Pass SiteURL through to app functions
* Update based on feedback
* Add app package and move logic over from api package
* Change app package functions to return errors
* Move non-api tests into app package
* Fix merge
