Update old github links

Author: Joris-van-der-Wel

package.json

@@ -10,7 +10,7 @@
  },
  "repository": {
  "type": "git",
- "url": "git+https://github.com/Joris-van-der-Wel/js-symbol-tree.git"
+ "url": "https://github.com/jsdom/js-symbol-tree.git"
  },
  "keywords": [
  "list",
@@ -25,9 +25,9 @@
  "author": "Joris van der Wel <joris@jorisvanderwel.com>",
  "license": "MIT",
  "bugs": {
- "url": "https://github.com/Joris-van-der-Wel/js-symbol-tree/issues"
+ "url": "https://github.com/jsdom/js-symbol-tree/issues"
  },
- "homepage": "https://github.com/Joris-van-der-Wel/js-symbol-tree#readme",
+ "homepage": "https://github.com/jsdom/js-symbol-tree#symbol-tree",
  "devDependencies": {
  "istanbul": "^0.3.17",
  "jscs": "^1.13.1",