2.60 CAPT drivers (also updated with DEBs from Canon)

At least worked for me. Changes:
- updated DEBs from Canon website 2.60 CAPT driver DEBS
- updated filenames to be installed inside DEB folder (for 2.60 drivers)
- a small additional description to ignore deleting non-existing second printer for whom not seeing two printers (not)created by the system (for Linux Mint 16, e.g)