grevory/angular-local-storage — pull request #142 by den-t (2014-10-09 02:13:39+00:00)
Title: localStorageService.bind to return a deregistration function

The title is rather self-explanatory.
Just pass standard AngularJS return value from $watchCollection as a result of .bind.
Allows to stop listener when further changes to a model should not be propagated to local storage.