Upgrading to backbone 1.0 package

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
From custom code to underscore supported on Backbone 1.0

Signed-off-by: José Luis Di Biase <josx@interorganic.com.ar>
Merge pull request #143 from inaes-tic/backbone-upgrade

Backbone upgrade