* adjusted setup_zabbix integration tests role to work on distributions from Debian family
* bumped zabbix_host integration tests role to be run against bionic
* Integration tests for zabbix_host using Zabbix on Ubuntu 14.04.
* fix duplicate yaml key in test
* .changed -> is changed, |failed -> is failed, trim configfile
* zabbix_host integration test does not need BOTMETA entry, inherited from module