Replaced urls from face.com to skybiometry.com.

As SkyBiometry is intended to be used as a drop-in replacement for
developers using face.com API most of functionality should work.
Somebody should test this.
Missed this one in previous commit.
Changed link to company name.
Merge pull request #7 from Liuftvafas/master

Switch to SkyBiometry Face Detection and Recognition API