Add unpublishing tables

[AndrewLester]

Summary

Description of PR here...
Closes #85, Closes #22

Changes

• Item 1
• Item 2
• Item 3

Screenshots

(Insert image, only for frontend)

Requests / Responses

Request
(Only for backend)
POST /api/users Returns a list of users

{
  "data": {
    "attributes": {
      "name": "The Dude",
      "email": "[email protected]",
      "password": "hellopassword"
    }
  },
  "type": "users"
}

Response
(Only for backend)
HTTP/1.1 200 OK

{
  "data": {
    "type": "users",
    "id": "4",
    "attributes": {
      "name": "The Dude",
      "email": "[email protected]",
      "last-logged-in": null,
      "created-at": "2016-10-20T17:45:08.190Z",
      "updated-at": "2016-10-20T17:45:08.190Z"
    },
    "links": {
      "self": "/users/4"
    }
  }
}

[ajain1921]

Since the form on the frontend allows for multiple reasons, I believe this should be a ManyToManyField.