Build integration spec for simulator only.
Build integration spec for simulator only.

Unfortunately, Xcode 6 enforces code-signing for certain product types
if one uses iOS 8.x as deployment target. As we don't want to put
developer certificates on Travis, this is the way to go.

jtreanor/cocoapods-packager,ArthurKK/cocoapods-packager,jtreanor/cocoapods-packager,ArthurKK/cocoapods-packager,danielribeiro/cocoapods-packager,dnkoutso/cocoapods-packager,danielribeiro/cocoapods-packager,dnkoutso/cocoapods-packager