Synchronize updates of Backbone

id	RU4
layer	Transport
facade	AccountFacade
function	syncEverything
description	Syncs the Identity's Messages and Relationships with the Backbone. Checks for new Relationships as well as incoming changes of existing ones. Checks for new or updated Messages. Returns all affected Relationships and Messages.
feature category	Synchronization
tech category	Account
status	DONE
actor	Identity
component	Runtime
priority	n/a
complexity	n/a
size	n/a
published	default