{
  "name": "friendsofcake/app-template",
  "description": "An empty CakePHP 2.4 application",
  "type": "project",
  "keywords" : [],
  "homepage" : "http://cakephp.org",
  "license" : "MIT",
  "require" : {
    "php" : ">=5.4",
    "composer/installers" : "~1.0",
    "cakephp/cakephp" : "2.4",
    "cakephp/debug_kit" : "2.2.*",
    "jippi/cakephp-crud" : "dev-develop"
  },
  "minimum-stability": "dev",
  "repositories" : [
    {
      "type": "package",
      "package": {
        "name" : "cakephp/cakephp",
        "version" : "2.4",
        "dist" : {
          "type" : "zip",
          "url" : "https://github.com/cakephp/cakephp/archive/2.4.0-beta.zip"
        },
        "source" : {
          "type" : "git",
          "url" : "git://github.com/cakephp/cakephp.git",
          "reference" : "2.4"
        }
      }
    }
  ],
  "config": {
      "preferred-install": "source"
  }
}

{
  "name": "friendsofcake/app-template",
  "description": "An empty CakePHP 2.4 application",
  "type": "project",
  "keywords" : [],
  "homepage" : "http://cakephp.org",
  "license" : "MIT",
  "require" : {
    "php" : ">=5.4",
    "composer/installers" : "~1.0",
    "cakephp/cakephp" : "2.4",
    "jippi/cakephp-crud" : "dev-develop"
  },
  "require-dev": {
    "cakephp/debug_kit" : "2.2.*",
  },
  "minimum-stability": "dev",
  "repositories" : [
    {
      "type": "package",
      "package": {
        "name" : "cakephp/cakephp",
        "version" : "2.4",
        "dist" : {
          "type" : "zip",
          "url" : "https://github.com/cakephp/cakephp/archive/2.4.0-beta.zip"
        },
        "source" : {
          "type" : "git",
          "url" : "git://github.com/cakephp/cakephp.git",
          "reference" : "2.4"
        }
      }
    }
  ],
  "config": {
      "preferred-install": "source"
  }
}

Move debug_kit to a development requirement
Move debug_kit to a development requirement