add copyright and license info. addresses gh-195
add copyright and license info. addresses gh-195

NYTimes/backbone.stickit,adam-26/backbone.stickit,akre54/backbone.stickit,akre54/backbone.stickit,NYTimes/backbone.stickit,Krasnyanskiy/backbone.stickit,adam-26/backbone.stickit,Krasnyanskiy/backbone.stickit