Updating: adding libats-hwxi/teaching/cstream
Updating: minorly tidying-up
Updating: improving libats-hwxi/teaching/cstream
Updating: adding atscntrb/readline
Merge remote-tracking branch 'upstream/master'
Updating: improving atscntrb/readline
Updating: improving libats-hwxi/teaching/cstream
Updating: improving libats-hwxi/teaching/cstream
Updating: minorly reorganizing
Updating: supporting the option -CSignore for [patscc]
Merge remote-tracking branch 'upstream/master'
minor suggestion to help atsmake-pre find correct contrib directory