Fix bool defaults for debug, verbose, use_syslog

- Sync from upstream: debug, verbose, use_syslog defaults as bools

Implements bluepprint: refactor-logging-puppet-openstack-services

Change-Id: I7f44080de617b735103f369fbb331e1ffb0f54c1
Signed-off-by: Bogdan Dobrelya <bdobrelia@mirantis.com>
Merge "Fix bool defaults for debug, verbose, use_syslog"