Chore(opts/ViewBindings): remote unnecessary return and legacy backbone integration
feat(x_model): extension for 2-way binding with a model attribute and an <input>
bug(x_model): remove debugger
A terrible amount of changes for one commit...

feat(cell/Model) Observable model type
feat(cell/opts/ViewBindings) Auto updateBindings after view registered
event handlers
feat(dom/events) bind/unbind -> on/off
fix(cell/opts/ViewExts) Don't clobber __.if and __.each