language: objective-c
osx_image: xcode8
xcode_workspace: DRYUI.xcworkspace
xcode_scheme: DRYUI-Example
xcode_sdk: iphonesimulator10.0

language: objective-c
osx_image: xcode9.2
xcode_workspace: DRYUI.xcworkspace
xcode_scheme: DRYUI-Example
xcode_sdk: iphonesimulator11.2

Update to use Xcode9.2 and iPhoneSim 11.2
[TravisCI] Update to use Xcode9.2 and iPhoneSim 11.2
