* Change version of libssl since the older one got archived

* Added update to all 3.4.x versions

* Remove hanging Mac DS store

* Change version of libssl since the older one got archived

* Added update to all 3.4.x versions

pandoc-templates archive 1.18 no longer exists. just get latest version of
pandoc templates instead

switchable Blas implementations for R

remove explicit openblas in R installation, replaced it by the shared Blas system, as used by the debian R package. it is now possible to switch Blas implementation using LD_LIBRARY_PATH or update-alternatives by example. Also added the --with-tcltk flag, that was already automatically setup to make it more explicit.

maintain shiny-server.log logging as per shiny servers default

add version 3.2.5

will see if this results in cache files that inflate image size signifcantly...