having the date in one place makes it consistently *wrong*

git-svn-id: https://svn.r-project.org/R/trunk@66298 00db46b3-68df-0310-9c12-caf00c1e9a41
update

git-svn-id: https://svn.r-project.org/R/trunk@66300 00db46b3-68df-0310-9c12-caf00c1e9a41
ignoring some files from the build
Merge branch 'trunk' into grammar