pass-through options to Backbone.Store#unregister when called as
listener to models 'destroy'
Docs: add a description for `removeModelScope`
Backbone-relational 0.8.5; compatible with Backbone 1.0.0
The sort event should be deferred with add events to keep events in  order (sort after add)
Merge pull request #331 from ClemensSchneider/pass_through_options_on_unregister

pass-through options to Backbone.Store#unregister when called as listener to models 'destroy'
Merge pull request #332 from idanz/master

sort event should also be queued when the add event is queued