Fixes #4003: Prevent the endless insertion of configurations in dav_mod.conf
Fixes #4004: After upgrading the policy server, the rsyslog configuration is invalid
Merge pull request #146 from jooooooon/bug_4004/after_upgrading_the_policy_server_the_rsyslog_configuration_is_invalid

Bug 4004/after upgrading the policy server the rsyslog configuration is invalid
Merge pull request #145 from Kegeruneku/bug_4003/int/4003_fix_davlockdb_endless_insertion

Fixes #4003: Prevent the endless insertion of configurations in dav_mod....