Add libgphoto2 package to thirdparty packages

libgphoto2 package gives ability to access PTP/MTP compatible camera's and devices
Add gphotofs package - file system support for PTP Cameras
- gphotofs
- udev rules for PTP camera's
- script's to auto mount/umount camera

When plugged in a compatible camera will mount as /media/camera
Can then browse and view photo's/videos via file system