update docs for <select> bindings which are always two-way bindings; #79
update docs for <select> bindings which are always two-way bindings; #79

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