Removing react-router warnings

package.json

@@ -56,6 +56,7 @@
     "async": "^0.9.0",
     "bluebird": "^2.9.24",
     "bugsnag-js": "^2.4.7",
+    "classnames": "^1.2.0",
     "coveralls": "^2.11.2",
     "dockerode": "^2.1.1",
     "exec": "0.2.0",
@@ -89,7 +90,6 @@
     "gulp-shell": "^0.4.1",
     "gulp-sourcemaps": "^1.5.2",
     "gulp-util": "^3.0.4",
-    "gulp": "^3.8.11",
     "jest-cli": "kitematic/jest",
     "jsxhint": "^0.14.0",
     "minimist": "^1.1.1",