14 June 2012
============
  boost header sources to 1.49, likely to drop layout support, mods to incremental.components

Nov 30, 2005
============
New functions:
  "is.triangulated",
  "maxClique"

Oct 15, 2005
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New functions:
 "articulationPoints",
 "biConnComp",
 "floyd.warshall.all.pairs.sp",
 "fruchtermanReingoldForceDirectedLayout",
 "highlyConnSG",
 "randomGraphLayout",
 "sequential.vertex.coloring",