Travis - Specify Node Version

Author: Emmanouil Konstantinidis

.travis.yml

@@ -11,6 +11,9 @@ env:
   - DJANGO_VERSION=1.8
   - DJANGO_VERSION=1.9
 
+node_js:
+  - "5"
+
 install:
   - cd rest_framework_docs/static/ && npm install && cd ../../
   - pip install -r requirements.txt