1073154 - Do not log newlines or long messages.

This commit also fixes two more bugs:

885230 - pulp-manage-db now uses syslog.
1075128 - log settings are now configured entirely in /etc/pulp/server.conf

https://bugzilla.redhat.com/show_bug.cgi?id=1073154
https://bugzilla.redhat.com/show_bug.cgi?id=1075128
https://bugzilla.redhat.com/show_bug.cgi?id=885230