Added some test font data for UFO component handling. Note that
circular-components shouldn't be seen in the wild, but being able to
do something sane if we are presented with cirucular component
references might be useful. Even if that 'something sane' is to report
it in a meaningful way to the user.
Merge pull request #299 from monkeyiq/2014nov/data-fonts-components-example

Added some test font data for UFO component handling.