adds test for subModelTypeAttribute
example in header
Remove listeners from each relation on store.unregister. Ref #423
Add an extra note for CoffeeScript users, update the `setup` example
Add an extra notice for CoffeeScript to the docs. Ref #408
Merge pull request #404 from rall/master

adds test for subModelTypeAttribute
Fix defining relations as a function, closes #415
Fix two more places where relations as a function can go wrong.
Removing relations as a function; we need to be able to manipulate those as an array in several places. Ref #415.
Merge pull request #432 from RusAlex/example_in_header

example in header and spaces in the end of strings removed
Remove one more relations-as-a-function test
Update change log
Update underscore to 1.5.2
Update Backbone to 1.1.0
Update example in code so it's complete & easily runnable
Backbone-relational 0.8.7
Update a few version numbers in the docs to 0.8.7
Hmm, fix spaces/tabs mix in the example
Submodels: accommodate multiple 'type' keys for the same submodel. Closes #429
Proper return values on collection methods for Backbone 1.1. Closes #419