fix CI by installing eslint

diff --git a/.travis.yml b/.travis.yml
index 7d3fae3e30a5c4d814669c1b38cfbd6093bb06ae..f8cecafe905f5492819a27cbe2380d70e6ae4e83 100644 (file)
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,6 +1,8 @@
 sudo: required
 dist: trusty
 language: ruby
+before_script:
+- npm install -g eslint
 rvm:
 - 1.9.3
 - 2.0.0