rutil: syslog: use LOG_DAEMON instead of LOG_LOCAL6.  Use appName.

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@11140 ddefafc4-47db-0310-ae44-fa13212b10f2
rutil: syslog: use LOG_PID, avoid sending redundant data in log string.

git-svn-id: https://svn.resiprocate.org/rep/resiprocate/main@11141 ddefafc4-47db-0310-ae44-fa13212b10f2