use FF 42 on travis

Bogdan Livadariu · Bogdan Livadariu · commit 6490399b117e · 2016-02-17T10:46:53.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -7,7 +7,7 @@ cache:
   directories:
     - node_modules/
 addons:
-  firefox: '43.0'
+  firefox: '42.0'
 install:
   - npm set progress=false
   - travis_retry npm install
