Add gem install xcpretty to travis.yml

hamchapman · hamchapman · commit b9a4c7bbd82e · 2016-07-01T13:37:29.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -33,6 +33,7 @@ before_install:
       brew install carthage;
     fi
   - gem install cocoapods
+  - gem install xcpretty
 install:
   - pod update
   - pod install
