Add support for Backbone 1.1.1's use of AMD
Cleanup dependencies

Remove underscore as a dependency, since it's a dependency of backbone,
and reconcile dependency versions for npm and bower.
Merge pull request #107 from dak/backbone-1.1.1-support

Add support for Backbone 1.1.1's use of AMD
Merge pull request #106 from dak/cleanup-dependencies

Cleanup dependencies
upgrade libs for Backbone.js v1.1.1 release
Backbone-Associations v0.6.0
Backbone-Associations v0.6.0
Backbone-Associations v0.6.0
Update README.md
add underscore as dependency
Backbone-Associations v0.6.1
issue #108 exports Backbone object
Merge branch 'master' of https://github.com/dhruvaray/backbone-associations into feature/createCustomCollection-method