Throw exception in region when doesn't find 'el'
remove marionette.$ proxy

fixes #1000
Removes unnecessary params in appendHtml

There is no reason to pass the object; it is accessible via `this`
Changed signature of Module.prototype.initialize to match Module.prototype.constructor
Removes aliased itemView events
stopListening after close
In triggerMethod call method before trigger
Refactor ItemView references to ChildView
Merge pull request #1152 from jasonLaster/childView2

Refactor ItemView references to ChildView