2008-07-10Merge
Alpar Juttner <alpar@cs.elte.hu> [Thu, 10 Jul 2008 16:13:50 +0200] rev 202
Merge

2008-07-10More docs for undirected LGF IO
Balazs Dezso <deba@inf.elte.hu> [Thu, 10 Jul 2008 15:02:35 +0200] rev 201
More docs for undirected LGF IO

2008-07-10Porting graph_copy_test.cc from SVN 3498
Balazs Dezso <deba@inf.elte.hu> [Thu, 10 Jul 2008 16:05:56 +0200] rev 200
Porting graph_copy_test.cc from SVN 3498