update, including first pass at zh_CN translations

git-svn-id: http://svn.r-project.org/R/trunk@62125 00db46b3-68df-0310-9c12-caf00c1e9a41
corrections

git-svn-id: http://svn.r-project.org/R/trunk@62126 00db46b3-68df-0310-9c12-caf00c1e9a41
tangling was moved out of INSTALL in r62089, so tidy up after people

git-svn-id: http://svn.r-project.org/R/trunk@62127 00db46b3-68df-0310-9c12-caf00c1e9a41
rewrite message for languages without plurals

git-svn-id: http://svn.r-project.org/R/trunk@62128 00db46b3-68df-0310-9c12-caf00c1e9a41
allow more to be done on Windows

git-svn-id: http://svn.r-project.org/R/trunk@62129 00db46b3-68df-0310-9c12-caf00c1e9a41
More flexible custom vignettes.  Mostly contributed by Henrik Bengtsson.

git-svn-id: http://svn.r-project.org/R/trunk@62130 00db46b3-68df-0310-9c12-caf00c1e9a41
better support for help completion

git-svn-id: http://svn.r-project.org/R/trunk@62131 00db46b3-68df-0310-9c12-caf00c1e9a41
conditionMessage shouldn't have been changed to capture.output

git-svn-id: http://svn.r-project.org/R/trunk@62132 00db46b3-68df-0310-9c12-caf00c1e9a41
go to 3.1.0 devel

git-svn-id: http://svn.r-project.org/R/trunk@62135 00db46b3-68df-0310-9c12-caf00c1e9a41