Uprev to remove security issues and node-sass

Author: tomhamiltonstubber

package.json

@@ -39,7 +39,7 @@
     "enzyme-adapter-react-16": "^1.1.1",
     "html-webpack-plugin": "^2.30.1",
     "marked": "^0.3.12",
-    "node-sass": "^4.7.2",
+    "node-sass": "^4.12.0",
     "pretty": "^2.0.0",
     "raven-js": "^3.22.0",
     "react": "^16.2.0",
@@ -51,6 +51,8 @@
     "react-tooltip": "^3.4.0",
     "sass-loader": "^6.0.6",
     "shelljs": "0.8.0",
+    "sshpk": "^1.16.1",
+    "tunnel-agent": "^0.6.0",
     "webpack": "^3.10.0",
     "webpack-bundle-analyzer": "^3.3.2"
   }