Log Message:
Update to 1.0.19.

Remove sane-backends-hp3900 option, support is now enabled by default.

New with 1.0.19, released 2008-02-10:

* New backends: cardscan (Corex Cardscan 800c), epjitsu (Epson-based Fujitsu),
  epson2 (various Epson scanners), hp3900 (HP ScanJet 3970 and more),
  hp5590 (HP ScanJet 5590 and more), hpljm1005 (HP LaserJet M1005 and more),
  hs2p (Ricoh IS400 series)
* Updated backends: abaton, agfafocus, apple, artec, artec_eplus48u, as6e,
  avision, canon, coolscan, coolscan2, dc25, dell1600n_net, dll, epson,
  fujitsu, genesys, gt68xx, hp3500, ibm, lexmark, microtek, microtek2, mustek,
  nec, net, pie, pint, pixma, plustek, plustek_pp, ricoh, s9036, sm3600,
  sm3840, snapscan, sp15c, st400, tamarack, teco2, test, u12, umax, umax1220u,
  umax_pp
* Scanimage detects more chipsets.
* Internal scsi, usb, tcp and udp code updates.
* Basic HAL .fdi creation support
* Build system updates.
* Updated translations.
* Documentation updates.
* Bugfixes.