Build for pre-release testing

=Custom in Fedora/EPEL=

==Pinger files==

Since /tmp is not a good place to spool files, the pinger files shall now reside in /var/lib/zabbixsrv/tmp. This directory is automatically created and proxy and server configuration files are changed accordingly from 2.0.8 on.

This is a companion discussion topic for the original entry at https://copr.fedorainfracloud.org/coprs/volter/zabbix22/