Part of #56's push to switch examples away from the cxxfunction to Rcpp attributes.
From the discussion of #56, it seems like there will be multiple PRs to complete the job. Specifically, 1 PR per example directory / vignette.
Merge remote-tracking branch 'RcppCore/master'
Modernizing RcppGSL examples
Added update to ChangeLog & News
Looks beautiful and is in a size that is easy to chew and digest.
Plan to merge, but will leave it here for the remainder of the day for others to chime in.
Looks good to me as well!