Log Message:
Changes 2.3.1:

PTP:
   * Fixed a memory leak in continuous Nikon / Canon capture mode.
Bindings:
   * Moved all bindings into separate packages.
Package / System integration:
   * Add README.packaging file.
   * Removed obsolete print-usb-usermap. Use
     "print-camera-list usb-usermap usbcam" instead.
   * Fix libgphoto2 symbol list: Removed gpi_gphoto_port_type_map
   * Add new permission setup script doing class based matching for
     PTP class cameras not listed explicitly by USB IDs.

Changes 2.3.0:

PTP:
   * Improved Nikon remote control
   * Improved Canon file download
	- faster directory retrieval (especially on cameras with lots of files)
	- "new" images are marked (gphoto2 --new, digikam)
   * MTP Playlist support (upload and download)
   * MTP Metadata support (upload and download, Artist, Title, Playtime ... )
   * Lots of other MTP related fixes.
   * MTP autodetection on Microsoft OS Descriptor.
   * New devices:
          Canon PowerShot A540, A530, S3 IS, SD430, SD600, SD700, IXUS 800