near-complete re-write of component.adj.matrix code, based on community matrix analysis

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/aqp@790 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
notes

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/aqp@791 edb9625f-4e0d-4859-8d74-9fd3b1da38cb