http/server.cc -- addressed an incompatibility issue with Firefox on windows (other ports of Firefox: linux, etc. behaved ok already)... basically now allowing web-clients to reuse an already established SSL-session (without re-calculation of a complete SSL handshake).

http/index.html --
*) example of the appropriate dataset in index.html (in the help-text for CSV dataset when adding a new task);
*) extra warning in the help-text w.r.t. maximum-coefficients-at-once limits (given the limitations of my box on which computational server runs at the moment).

info_etc -- added extra howto to openssl keys etc. file on how to strip password from the existing key file (useful for testing scenarios where an automated script is used to launch a bunch of servers (netcpu/server, netcpu/update_server, http/server).