Collect /proc/self/mountstats and /proc/self/mountinfo

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>
Add new plug-in to gather OpenHPI configuration

New plug-in to collect OpenHPI configuration files. These files
may contain passwords; a regex substitution rule has been added
based on information from the reporter but this needs testing
with a range of actual configuration files.

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>
Add file substitution rule for openhpiclient.conf

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>
Collect /var/log/squid in squid plug-in

Signed-off-by: Bryn M. Reeves <bmr@redhat.com>