Zabbix

.........T [DEV-1998] fixed various spelling errors in templates and their README files

Merge in ZBX/zabbix from feature/DEV-1998-5.0 to release/5.0

* commit 'b44e40621c6c999d782326218272b5436601dab9':
  .........T [DEV-1998] fixed typos and syntax mistakes in Etcd, Kafka, RabbitMQ, Squid, Cassandra, Gridgain, Ignite, MongoDB, Oracle, PostgreSQL, F5 templates
  .........T [DEV-1998] fixed README of "Exchange Server 2016 by Zabbix agent active" template
  .........T [DEV-1998] fixed typos and changed README files for Zabbix server templates
  .........T [DEV-1998] fixed typos and changed README files for OS templates
  .........T [DEV-1998] fixed typos and changed README files for Module templates
  .........T [DEV-1998] fixed typos and changed README files for DB templates
  .........T [DEV-1998] fixed typos and changed README files for Net templates
  .........T [DEV-1998] fixed typos and changed README files for SAN templates
  .........T [DEV-1998] fixed typos and changed README files for Server templates
  .........T [DEV-1998] fixed typos and changed README files for App templates
  .........T [DEV-1998] fixed typo in Telegram media