Move testing dependencies to devDependencies

Author: gpittarelli

package.json

@@ -19,17 +19,17 @@
   "dependencies": {
     "https-proxy-agent": "^2.2.1",
     "is-running": "^2.0.0",
-    "ps-tree": "^1.1.0",
-    "sinon": "^1.17.6",
-    "temp-fs": "^0.9.9"
+    "ps-tree": "^1.1.0"
   },
   "devDependencies": {
     "eslint": "1.10.3",
     "expect.js": "0.3.1",
     "mocha": "2.4.5",
     "mocks": "0.0.15",
     "proxy": "^0.2.4",
-    "rimraf": "^2.5.4"
+    "rimraf": "^2.5.4",
+    "sinon": "^1.17.6",
+    "temp-fs": "^0.9.9"
   },
   "bugs": "https://github.com/browserstack/browserstack-local-nodejs/issues",
   "homepage": "https://github.com/browserstack/browserstack-local-nodejs",