Refactor code PUT test case in ConfessionsControllerTest.js.
Added AdminController.js and AdminModel.js

Added Delete test case in ConfessionsControllerTest.js.

Added POST test case for ConfessionsController.js and modified GET test case

Added mocha opts and npm test definition.

Added Delete test case in ConfessionsControllerTest.js.

Fixed timeout issue on Delete test case in ConfessionsControllerTest.

Fixed issues on AdminController test cases.

Fixed issues on AdminController test cases.