second attempt at committing abrem 0.1.14 (ChangeLog still needs completion), added LinkingTo and Depends Rcpp and RcppArmadillo in the DESCRIPTION file.

git-svn-id: svn://svn.r-forge.r-project.org/svnroot/abernethy@74 edb9625f-4e0d-4859-8d74-9fd3b1da38cb