web: Improve upload workflow. - Add 'upload' and 'wikiupload' permissions, and check for them. - Fix the message about what the syntax is for using files in pages. - Fix uploading files to endpoint pages.

{
  "name": "Wikked",
  "version": "0.0.1",
  "private": "true",
  "dependencies": {
    "pure": "~0.6.0",
    "font-awesome": "~4.4.0",
    "jquery": "~2.1.4"
  }
}