Zabbix

A.F.I...S. [ZBXNEXT-6755] added support of alerting in services

* commit 'ee985b930248a1326578c305e28f0f7be51c7efd': (76 commits)
  A......... [ZBXNEXT-6755] added housekeeper entries on service delete
  A......... [ZBXNEXT-6755] fixed step duration validation in Actions API
  A......... [ZBXNEXT-6755] fixed API of Events and Problems to support service event source
  A.F....... [ZBXNEXT-6755] fixed action log for services
  ..F....... [ZBXNEXT-6755] fixed service action operation form
  .......... [ZBXNEXT-6755] added changelog entry
  A......... [ZBXNEXT-6755] fixed code styling
  ..F....... [ZBXNEXT-6755] removed services from popup generic
  ..F....... [ZBXNEXT-6755] replaced service selection popup
  ........S. [ZBXNEXT-6755] fixed crash in case trigger is deleted but problem still remains
  ........S. [ZBXNEXT-6755] small style fixes
  ........S. [ZBXNEXT-6755] fixed comments
  ........S. [ZBXNEXT-6755] small style fixes
  ........S. [ZBXNEXT-6755] small style fixes
  A.F....... [ZBXNEXT-6755] renamed acknowledge operations to update operations throughout the code
  ........S. [ZBXNEXT-6755] fixed tagged eventids retrieval
  ........S. [ZBXNEXT-6755] renamed trigger housekeeper to problem housekeeper
  ..F....... [ZBXNEXT-6755] fixed import issues
  ..F....... [ZBXNEXT-6755] fixed media type message template display order
  ........S. [ZBXNEXT-6755] fixed sorting when reusing events
  ...