Travis node 6.14 build & fxs (#864)

.travis.yml

@@ -1,7 +1,6 @@
 services:
   - docker
 
-
 matrix:
   include:
     - language: node_js
@@ -14,6 +13,16 @@ matrix:
         - npm install
       script:
         - npm test
+    - language: node_js
+      node_js:
+        - "6.14"
+      env:
+        - CXX=g++-4.8
+      before_script:
+        - cd server
+        - npm install
+      script:
+        - npm run build
     - language: python
       python: 3.6.6
       before_script:
@@ -22,8 +31,5 @@ matrix:
       script:
         - python -m unittest discover
 
-script:
-  - make
-
 notifications:
   email: false