Update to 0.4
    
    - Set DESTDIR so it's more consistently respected
    - Always use upper case for Boot#### names.
    - Create abbreviated device paths for our BootNext entry.
    - Make subdir Makefiles get the version right.
    - Fix ucs2len() to handle max=-1 correctly.
    - Compare the right blobs when we're searching old boot entries.
    - Fix .efi generation on non-x86 platforms.
    - Use a relative path for fwupdate.efi when launched from shim.
    - Show fewer debugging messages.
    - Set BootNext when we find an old Boot#### variable as well.
    - Add fwup_get_fw_type().
    
    Signed-off-by: Peter Jones <pjones@redhat.com>