Updated MacOS version in .travis.yml (#269)

ivaylokenov · ivaylokenov · commit 2ac640fa40b4 · 2017-02-25T23:11:09.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -17,7 +17,7 @@ mono:
 os:  
   - linux
   - osx
-osx_image: xcode7.1  
+osx_image: xcode7.3.1 
 branches:  
   only:
     - master
