fix travis

.travis.yml

@@ -2,13 +2,13 @@
 # * http://www.objc.io/issue-6/travis-ci.html
 # * https://github.com/supermarin/xcpretty#usage
 
-osx_image: xcode8.3
+osx_image: xcode9.2
 language: objective-c
 cache: cocoapods
 # podfile: Example/Podfile
 before_install:
 # - gem install cocoapods # Since Travis is not always on latest version
-- travis_wait pod repo update
+#- travis_wait pod repo update
 - pod install --project-directory=Example
 script:
 # - set -o pipefail && xcodebuild test -workspace Example/ComponentSwiftDemo.xcworkspace -scheme ComponentSwiftDemo -sdk iphonesimulator9.3 ONLY_ACTIVE_ARCH=NO | xcpretty