.travis.yml in ezid-client-1.1.1 vs .travis.yml in ezid-client-1.2.0

@@ -1,8 +1,8 @@
 language: ruby
 rvm:
   - 2.2
   - 2.1
   - 2.0.0
-cache: 
+cache:
   - bundler
 script: "bundle exec rake ci"