Switched OSX image to default on travis CI builds
Switched OSX image to default on travis CI builds

am11/Criterion,am11/Criterion,offa/Criterion,Snaipe/Criterion,a1lu/Criterion,a1lu/Criterion,am11/Criterion,offa/Criterion,offa/Criterion,a1lu/Criterion,kaidowei/Criterion,Snaipe/Criterion,kaidowei/Criterion,a1lu/Criterion,am11/Criterion,kaidowei/Criterion,Snaipe/Criterion,a1lu/Criterion,Snaipe/Criterion,am11/Criterion,kaidowei/Criterion,offa/Criterion,kaidowei/Criterion,Snaipe/Criterion,offa/Criterion