Use separate env var for CRAN incoming check package use diagnostics.

git-svn-id: https://svn.r-project.org/R/trunk@63779 00db46b3-68df-0310-9c12-caf00c1e9a41
allow to append "Note" to existing DESCRIPTION field names


git-svn-id: https://svn.r-project.org/R/trunk@63780 00db46b3-68df-0310-9c12-caf00c1e9a41
arrange to ship NEWS.2.html (and update it to LF)

git-svn-id: https://svn.r-project.org/R/trunk@63782 00db46b3-68df-0310-9c12-caf00c1e9a41
move text NEWS files to doc

git-svn-id: https://svn.r-project.org/R/trunk@63784 00db46b3-68df-0310-9c12-caf00c1e9a41
tweaks for new NEWS layout

git-svn-id: https://svn.r-project.org/R/trunk@63785 00db46b3-68df-0310-9c12-caf00c1e9a41
prefer copy of COPYING in doc

git-svn-id: https://svn.r-project.org/R/trunk@63786 00db46b3-68df-0310-9c12-caf00c1e9a41