* controller.js: add queryElements to grab member elements by selector
  * controller.js: call this.queryElements in constructor
  * main.js:detailController: add elements spec to detailController to grab target elements
  * main.js:detailController: add function setModel(data) to detailController
  * main.js: add modul wide function text(elem) to get the element text
  * main.js: grab data from DOM in actions.show() and pass to detailController.setModel()