Update Registered Vendor Extensions
Update Registered Vendor Extensions

The official registry was updated on 05/04/2017
http://www.imaging.org/Site/PDFS/Standards/Final_PTP_Vendor_Extension_Registry.pdf
gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2,gphoto/libgphoto2