deps - remove duplicated dev-dependencies

```
npm WARN The package clone is included as both a dev and production dependency.
npm WARN The package react-dom is included as both a dev and production dependency.
```

package.json

@@ -103,7 +103,7 @@
     "qrcode-npm": "0.0.3",
     "react": "^15.0.2",
     "react-addons-css-transition-group": "^15.0.2",
-    "react-dom": "^15.0.2",
+    "react-dom": "^15.5.4",
     "react-hyperscript": "^2.2.2",
     "react-markdown": "^2.3.0",
     "react-redux": "^4.4.5",
@@ -141,7 +141,6 @@
     "brfs": "^1.4.3",
     "browserify": "^13.0.0",
     "chai": "^3.5.0",
-    "clone": "^1.0.2",
     "deep-freeze-strict": "^1.1.1",
     "del": "^2.2.0",
     "envify": "^4.0.0",
@@ -173,7 +172,6 @@
     "qs": "^6.2.0",
     "qunit": "^0.9.1",
     "react-addons-test-utils": "^15.5.1",
-    "react-dom": "^15.5.4",
     "react-test-renderer": "^15.5.4",
     "react-testutils-additions": "^15.2.0",
     "sinon": "^1.17.3",