Workaraound:
Get USB-ID with lsusb.
Copy 20-libgphoto2-6.hwdb and 20-usb-vendor-model.hwdb from /lib/udev/hwdb.d to /etc/udev/hwdb.d (sudo!!).
Add a new dataset in this two files with your USB-ID in /etc/udev/hwdb.d !
Generate a new hwdb.bin in /lib/udev with
sudo udevadm hwdb --update
Reboot your system.
Now it should work like in 13.10 (shotwell, nautilus).
Same problem with CANON Powershot A2500.
Workaraound: 6.hwdb and 20-usb- vendor- model.hwdb from /lib/udev/hwdb.d to /etc/udev/hwdb.d (sudo!!).
Get USB-ID with lsusb.
Copy 20-libgphoto2-
Add a new dataset in this two files with your USB-ID in /etc/udev/hwdb.d !
Generate a new hwdb.bin in /lib/udev with
sudo udevadm hwdb --update
Reboot your system.
Now it should work like in 13.10 (shotwell, nautilus).