[visp/image] Update ViSP to release 2.4.4-svn-20100810.

This release has been built from ViSP subversion repository.
The main interest of this update is the model based tracker integration.

Please do *NOT* merge this package in robotpkg main repository.

	* visp/DESCR: New.
	* visp/Makefile: New.
	* visp/PLIST: New.
	* visp/depend.mk: New.
	* visp/distinfo: New.
	* visp/patches/patch-a: New.
	* visp/patches/patch-b: New.