simplified language negotiation

package.json

@@ -58,7 +58,6 @@
   "dependencies": {
     "@coralproject/gql-merge": "^0.1.0",
     "@coralproject/graphql-anywhere-optimized": "^0.1.0",
-    "accepts": "^1.3.4",
     "apollo-client": "^1.9.1",
     "apollo-engine": "^0.8.1",
     "apollo-server-express": "^1.2.0",
@@ -108,6 +107,7 @@
     "express-static-gzip": "^0.3.1",
     "extract-text-webpack-plugin": "^3.0.2",
     "file-loader": "^0.11.2",
+    "fluent-langneg": "^0.1.0",
     "form-data": "^2.3.1",
     "fs-extra": "^4.0.1",
     "graphql": "^0.10.1",