Use Xcode 7.1 in Travis CI
Use Xcode 7.1 in Travis CI

8fit/GCDWebServer,TimOliver/GCDWebServer,8fit/GCDWebServer,8fit/GCDWebServer,8fit/GCDWebServer,TimOliver/GCDWebServer,TimOliver/GCDWebServer,TimOliver/GCDWebServer