-/*
-$Log$
-Revision 1.13 2001/05/16 14:57:22 alibrary
-New files for folders and Stack
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-Revision 1.12 2001/02/02 11:12:50 morsch
-Add Vertex() method that allows to get vertex from merging manager, if needed.
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-Revision 1.11 2001/01/26 19:58:48 hristov
-Major upgrade of AliRoot code
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-Revision 1.10 2000/12/21 15:30:18 fca
-Correcting coding convention violations
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-Revision 1.9 2000/10/04 10:08:01 fca
-Correction of minor typing mistakes
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-Revision 1.8 2000/10/02 21:28:14 fca
-Removal of useless dependecies via forward declarations
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-Revision 1.7 2000/07/12 08:56:25 fca
-Coding convention correction and warning removal