Linking to package BH (bugfix)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pcalg@246 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Created include directory for C++ headers (otherwise, check fails under Mac OS X)

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pcalg@247 edb9625f-4e0d-4859-8d74-9fd3b1da38cb
Moved headers to /inst directory

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/pcalg@248 edb9625f-4e0d-4859-8d74-9fd3b1da38cb