* Point_set_processing_3 IO functions take now as parameter a std::istream instead of a filename.
* Removed read/write_pwn_point_set() which are replaced by read/write_xyz_point_set().
* Removed read_pnb_point_set() which obsolete.
* Move/rename files and folders.
* Rename point set IO functions.
Status:
* Both packages compile on Unix/g++ 4.1.2. The test suite is OK.
* The documentation compiles for both packages.
TODO:
* Update the documentation and package_info
* Update Groviz
* Delete Surface_reconstruction_3