Update dependencies

package.json

@@ -37,27 +37,27 @@
     "colors": "1.1.2",
     "eventemitter2": "4.1.0",
     "lodash": "4.17.4",
-    "node-discover": "0.4.0",
+    "node-discover": "0.6.2",
     "uuid": "3.0.1",
     "portfinder": "1.0.13",
     "socket.io": "2.0.2"
   },
   "devDependencies": {
     "async": "^2.3.0",
-    "ava": "^0.17.0",
+    "ava": "^0.19.1",
     "babel-cli": "^6.18.0",
     "babel-preset-es2015": "^6.24.1",
-    "commander": "2.2.0",
+    "commander": "2.9.0",
     "coveralls": "^2.13.1",
     "eslint": "^3.19.0",
-    "eslint-config-google": "^0.7.1",
+    "eslint-config-google": "^0.8.0",
     "humanize-number": "0.0.2",
     "log-suppress": "^1.0.3",
-    "nyc": "^10.3.2",
+    "nyc": "^11.0.2",
     "randomstring": "^1.1.5",
     "request": "^2.81.0",
     "sinon": "^2.3.2",
-    "socket.io-client": "2.0.1"
+    "socket.io-client": "2.0.2"
   },
   "eslintConfig": {
     "env": {