Make travis/jenkins check for lint on files which are clean to start with

.travis.yml

@@ -5,6 +5,4 @@ install:
     - npm install
     - (cd node_modules/matrix-js-sdk && npm install)
 script:
-    # don't run the riot tests unless the react-sdk tests pass, otherwise
-    # the output is confusing.
-    - npm run test && ./.travis-test-riot.sh
+    ./scripts/travis.sh