[#80253548] restored roboconf.sh from branch 79750556-branches so that auto submodule updates could be made configurable
[#80253548] (m) minor change in comment to fix RubyMine bash syntax colorizing (not a smart RubyMine plugin)
[#80253548] Reordered functions to group those needed for auto-submodule-updating and put prominent comments in identifying such