Add missing package.json fields

Author: KyleAMathews

package.json

@@ -12,6 +12,7 @@
     "url": "https://github.com/rackt/react-router.git"
   },
   "homepage": "https://github.com/rackt/react-router",
+  "bugs": "https://github.com/rackt/react-router/issues",
   "directories": {
     "example": "examples"
   },
@@ -51,6 +52,14 @@
     "events": "^1.0.1",
     "querystring": "^0.2.0"
   },
+  "keywords": [
+    "react",
+    "react-component",
+    "routing",
+    "route",
+    "routes",
+    "router"
+  ],
   "browserify-shim": {
     "react": "global:React"
   }