add vcglib

vcglib/apps/metro/history.txt

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+
+   VCGLib  http://vcg.sf.net                                         o o     
+   Visual and Computer Graphics Library                            o     o   
+                                                                  _   O  _   
+   Copyright(C) 2005-2006                                           \/)\/    
+   Visual Computing Lab  http://vcg.isti.cnr.it                    /\/|      
+   ISTI - Italian National Research Council                           |      
+                                                                      \      
+   Metro 4.07 2007/05/11 
+   All rights reserved.                                                      
+   
+2007/05/11 Release 4.07
+Added support for obj files.
+Now the Distance comparison can be done exploiting also a (slow) octree. 
+Removed bug on the display of the area of the mesh.
+
+2005/10/03 Release 4.06
+Changed the core for distance computation. 
+Current version uses the lib flexible search structures. 
+Now the comparison can be done exploiting a static uniform grid, 
+a hashed grid or a hierarchy of AA box. 
+
+2005/04/04 Release 4.05
+Added saving of Error Histogram
+
+2005/01/26 Release 4.04
+Gcc compiling issues
+Moved to the library core the code for computing min distance froma a point to a mesh using a uniform grid.
+Slightly faster.
+
+2005/01/03 Release 4.03
+Better ply compatibility, and improved error reporting
+
+2004/11/29 Release 4.02
+removed bug in printing Hausdorf distance,
+removed bug in command line parsing,
+upgraded import mesh library to support off format