Add missing bindings for knowledge capture save handlers

This fixes the problems where the success/error notifications where not working.

Signed-off-by: Don Naegely <naegelyd@gmail.com>
Fix bug where knowledge capture form was always unpopulated

Due to a recent change in Backbone(https://github.com/jashkenas/backbone/pull/2878) we need to set id on the attributes not on model.id directly

Signed-off-by: Don Naegely <naegelyd@gmail.com>