Rcpp.package.skeleton: Create a skeleton for a new package depending on Rcpp
Description
Rcpp.package.skeleton automates the creation of
a new source package that intends to use features of Rcpp.
It is based on the package.skeleton function
which it executes first.
In addition to package.skeleton :
The DESCRIPTION file gains a Depends line requesting that
the package depends on Rcpp
The NAMESPACE, if any, gains a useDynLib directove
The src directory is created if it does not exists and
a Makevars file is added setting the environment variables
PKG_CXXFLAGS and PKG_LIBS