Setting to use syslog in Murano added.

* Local logs added
* Logrotate configured
* Typos
* murano_use_syslog -> use_syslog
* murano_debug -> debug
* murano_verbose -> verbose
* syslog_log_facility
* murano user/group added back
* use bool values for debug/use_syslog
* applied diff with 74420

Replaces review https://review.openstack.org/#/c/62853/
Replaces review https://review.openstack.org/#/c/63705/

Change-Id: I9011d008d34ddc31c2fd7cc426cf63f2acd0c2db
Closes-Bug: 1261477
Merge "Setting to use syslog in Murano added."