When /sbin/setfiles is missing, creator gives unclear error message:

Traceback (most recent call last):
  File "/usr/bin/livecd-creator", line 150, in <module>
    sys.exit(main())
  File "/usr/bin/livecd-creator", line 132, in main
    creator.mount(options.base_on, options.cachedir)
  File "/usr/lib/python2.7/site-packages/imgcreate/creator.py", line 529, in mount
    self.__create_selinuxfs()
  File "/usr/lib/python2.7/site-packages/imgcreate/creator.py", line 469, in __create_selinuxfs
    subprocess.call(arglist, close_fds = True)
  File "/usr/lib64/python2.7/subprocess.py", line 486, in call
    return Popen(*popenargs, **kwargs).wait()
  File "/usr/lib64/python2.7/subprocess.py", line 672, in __init__
    errread, errwrite)
  File "/usr/lib64/python2.7/subprocess.py", line 1201, in _execute_child
    raise child_exception
OSError: [Errno 2] No such file or directory

Proposed solution: add policycoreutils to Requires
Error was seen with build livecd-tools-14.2-1.fc14.x86_64