Getting travis to build the npm related stuff

.travis.yml

@@ -9,7 +9,10 @@ install:
   - pip wheel -w $HOME/.wheelhouse -f $HOME/.wheelhouse -r requirements.txt
   - pip install --find-links=$HOME/.wheelhouse --no-index -rrequirements.txt
   - python setup.py install
-
+  - cd panoramix/assets
+  - npm install
+  - npm run prod
+  - npm run lint
 # command to run tests
 script: bash run_tests.sh
 after_success: coveralls