use xcode 6.1.1 for build

aschuch · aschuch · commit c3844f3e0ff5 · 2015-01-31T01:01:49.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,3 +1,3 @@
-osx_image: xcode61
+osx_image: xcode611
 language: objective-c
 script: xctool -scheme StatefulViewControllerTests -sdk iphonesimulator test
