[TravisCI] Disable Xcode 6.4 builds that runs on macOS 10.10, since the version of git (2.4) is too old to work with GitInfo (needs 2.5+)
[TravisCI] Disable Xcode 6.4 builds that runs on macOS 10.10, since the version of git (2.4) is too old to work with GitInfo (needs 2.5+)

markfinal/BuildAMation,markfinal/BuildAMation,markfinal/BuildAMation,markfinal/BuildAMation,markfinal/BuildAMation