Chore: Update .travis.yml to only build master (#214)

Following https://stackoverflow.com/questions/31882306/how-to-configure-travis-ci-to-build-pull-requests-merges-to-master-w-o-redunda to only build PRs and merges to master
box · Jul 13, 2017 · f10b14c · f10b14c
1 parent f50be16
commit f10b14c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/.travis.yml b/.travis.yml
@@ -3,3 +3,7 @@ node_js:
     - "6"
 script: yarn run ci
 cache: yarn
+branches:
+    only:
+        - master
+