build docker @lsm5/fedora-1.8 commit#0d8fd7c
    
    NVR: docker-1.8.0-4.git0d8fd7c
    
    - disable non-x86_64 for this build (koji failures)
    - use same distro as host for running tests
    - docker.service Wants docker-storage-setup.service
    
    Signed-off-by: Lokesh Mandvekar <lsm5@fedoraproject.org>