Import new C source of truth css-layout

fbshipit-source-id: e866918d6c62fc1cf3a04c269f782b94db9b875a

package.json

@@ -1,47 +0,0 @@
-{
-  "name": "css-layout",
-  "version": "1.1.1",
-  "description": "Reimplementation of CSS layout using pure JavaScript",
-  "main": "dist/css-layout.js",
-  "scripts": {
-    "watch": "grunt watch",
-    "test": "grunt ci"
-  },
-  "repository": {
-    "type": "git",
-    "url": "https://github.com/facebook/css-layout.git"
-  },
-  "keywords": [
-    "css",
-    "flexbox",
-    "layout"
-  ],
-  "author": "",
-  "license": "BSD",
-  "bugs": {
-    "url": "https://github.com/facebook/css-layout/issues"
-  },
-  "homepage": "https://github.com/facebook/css-layout",
-  "devDependencies": {
-    "babel-eslint": "^4.1.3",
-    "fbjs-scripts": "^0.2.2",
-    "grunt": "^0.4.5",
-    "grunt-cli": "^0.1.13",
-    "grunt-contrib-clean": "^0.6.0",
-    "grunt-contrib-concat": "^0.5.1",
-    "grunt-contrib-copy": "^0.8.0",
-    "grunt-contrib-uglify": "^0.9.1",
-    "grunt-contrib-watch": "^0.6.1",
-    "grunt-eslint": "^17.1.0",
-    "grunt-execute": "^0.2.2",
-    "grunt-include-replace": "^3.1.0",
-    "grunt-karma": "^0.12.0",
-    "grunt-mkdir": "^0.1.2",
-    "grunt-shell": "^1.1.2",
-    "jasmine-core": "^2.2.0",
-    "karma": "^0.13.8",
-    "karma-chrome-launcher": "^0.1.7",
-    "karma-jasmine": "^0.3.5",
-    "load-grunt-tasks": "^3.2.0"
-  }
-}