Update PPD files for CUPS 1.2 and use the proper manufacturer and

Update PPD files for CUPS 1.2 and use the proper manufacturer and
product strings.

Check for and log PPD get errors in the add/modify printer web
interface.

Make sure files are sent using a content length.

cgi-bin/admin.c:
    - do_am_printer(): Check for GET errors and log them.

ppd/*.ppd:
    - Use correct Manufacturer and Product strings.
    - Update FileVersion, cupsVersion, and NickName fields to
      reflect new minor version number.

scheduler/client.c:
    - cupsdSendFile(): Force content-length based encoding.

templates/printers.tmpl:
    - Show printer-make-and-model attribute, too.

git-svn-id: svn+ssh://src.apple.com/svn/cups/cups.org/trunk@4880 7a7537e8-13f0-0310-91df-b6672ffda945