Zabbix

A.F....... [ZBX-19918] prevented redundant audit log entries of failed logins when visiting login page if guest account is disabled; removed automatic login as guest user when entering any page requiring authentication (vmaksimovs)

* commit 'c3bc6c468bae08fb7d0ee9b077847c1989a73452':
  .......... [ZBX-19918] removed userids from dataprovider
  .......... [ZBX-19918] added dataprovider to autotests, added one more value to login sql
  .......... [ZBX-19918] added login for guest user
  .......... [ZBX-19918] fixed incorrect syntax in the testDashboardViewMode test case
  ..F....... [ZBX-19918] removed unnecessary checks for field presenece in CSettingsHelper, CHousekeepingHelper and CAuthenticationHelper classes
  ..F....... [ZBX-19918] removed "severity_name_\*" parameter from CSettings::getPublic() method
  ..F....... [ZBX-19918] removed "ok_period" parameter from CSettings::getPublic() method
  A......... [ZBX-19918] simplified code
  A......... [ZBX-19918] removed redundant code
  A......... [ZBX-19918] simplified code
  ..F....... [ZBX-19918] fixed incorrect redirection of the guest user after successful login when the previously requested page required to login
  .......... [ZBX-19918] added user logout
  .......... [ZBX-19918] fixed autotests
  A.F....... [ZBX-19918] fixed incorrect timeout used to display OK triggers
  .D........ [ZBX-19918] added ChangeLog entry
  A.F....... [ZBX-19918] prevented displaying of the incorrect error messages when 'notifications.get', 'popup.media', and 'profile.edit' actions is requested by the user (or it's client) that was authenticated but later become disabled
  A.F....... [ZBX-19918] prevented guest user extra login attempt when the main authentication attempt is failed upon navigating the zabbix pages
  A......... [ZBX-19918] fixed inability to get session key using CSettingsHelper::getPrivate() method
  .......... [ZBX-19918] fixed selenium tests
  A.F....... [ZBX-19918] simplified code related with CSettingsHelper, CAuthenticationHelper, and CHousekeepingHelper