Fixed attribute list functionality

* Realized that the apply method takes two arguments
* objectcreator.js: Attach the controller to the page
* notification objectcreator.attributeList.refresh now supplies the list
  of attributes
Add attributes to create form

* new view, createFormItem.ejs, contains a label and a text box.
* Submit and cancel buttons work
* Each attribute input box has a data-bind of the attribute_column