bin/list-backups: fixed important bug in IFS settings
bin/list-backups: return relative paths from now on
sbin/taskd: adjustment to the poll_interval setting
libexec/archive-vhost-web: added step error msgs

...instead of just exiting 1 without an error message. This saves time on
support.
added libexec/docker/ Paas auxiliary scripts
CentOS install: fixed wrong path of php.conf