Rakefiles: use all-lowercase repository URLs for Mercurial
When checking out package from Mercurial repo, convert package
name to lowercase as this is the established convention. This
avoids one having to create symlinks (as it is now done).
# This file contains !!!manual!!! package depedencies.
#
# Normally, this is extracted automatically from package definition but
# eXept sometimes get dependencies wrong so this files remedies such
# mistakes.
# 2020-01-19
# No longer, fixed by moving WebSockeTest to stx:goodies/regression.
# Thanks!
#
# task :'stx:goodies/communication:dependencies' => :'stx:goodies/sunit'
# task :'stx:goodies/communication:dependencies' => :'stx:goodies/webServer'