Many of the services have a nested directory that will
be copied into /etc, which will place the config files one
layer too deep. For example: heat has 'heat/etc/heat/heat.conf'.
Copying 'heat/etc*' to '/etc/heat' will create this extra layer.
Change-Id: Iad4661f0316523c5fe8d029d24a8e4fc68da6e15
Closes-Bug: #1484974