upgraded .travis.yml
upgraded .travis.yml

jeffreybergier/SwiftAddressBook,jeffreybergier/SwiftAddressBook,kostiakoval/SwiftAddressBook,dfinzer/SwiftAddressBook,kostiakoval/SwiftAddressBook,cwoloszynski/SwiftAddressBook,samsungaccelerator/SwiftAddressBook,cwoloszynski/SwiftAddressBook,jeffreybergier/SwiftAddressBook,SocialbitGmbH/SwiftAddressBook,samsungaccelerator/SwiftAddressBook,SocialbitGmbH/SwiftAddressBook,dfinzer/SwiftAddressBook