* light github image for dark mode
* show message received status, remove chevrons in chat list
* show unread message status
* add message send error mark
* refactor alerts to use AlertManager
* show alert message on tapping undelivered message, simplify text-only alerts
* receiving messages in the background and sending local notifications
* show notifications in foreground and background
* presentation logic for notification options when app is in the foreground
* background refresh works
* remove async dispatch
* updated text items
* update version
* fix JSON parsing in CIDirection, refactor data samples
* show group member in received messages and chat preview
* use profile displayName instead of localDisplayName, do not show fullName if it is the same as displayName