new(Resource): WIP
new(cell/util/http): WIP
new(cell/util/http): Simple XHR abstraction to be used by cell/Resource
refactor(cell/Model): 1) Remove onChangeAndDo(), 2) A better destroy implementation that doesn't require checks in accessor and mutator methods.
new(cell/Resource): WIP - initial cut.  Resource.{get(),query(),create()}
specs(cell/util/http): fix specs for http sending data
specs: remove Resource example in comments