Zabbix

A.F....... [ZBXNEXT-5694] implemented new page Monitoring->Hosts and added "Configuration" to Host context menu

* commit 'c0f9d014aa91ffae1af7ee7a318735eee0607951': (64 commits)
  ..F....... [ZBXNEXT-5694] removed some empty lines
  ..F....... [ZBXNEXT-5694] updated sass and css files
  ..F....... [ZBXNEXT-5694] removed unused style define
  ..F....... [ZBXNEXT-5694] moved maintenance icon on right side of host name in Configuration->Hosts
  .......... [ZBXNEXT-5694] fixed url parameters test
  ..F....... [ZBXNEXT-5694] fixed validation of severties on refresh
  ..F....... [ZBXNEXT-5694] improved coding style for host in maintenance checkbox js
  ..F....... [ZBXNEXT-5694] changed problem count to display total number of problems depending on filtered severities and added severity arguments in link to the problem page
  ..F....... [ZBXNEXT-5694] improved coding style
  ..F....... [ZBXNEXT-5694] improved code for tag merging.
  ..F....... [ZBXNEXT-5694] improved performance and simplified code for problem count per host.
  ..F....... [ZBXNEXT-5694] improved performance for multiple groups in host group filter in Monitoring->Hosts and Monitoring->Latest Data
  ..F....... [ZBXNEXT-5694] moved host.get validation of additional parameters to a separate function
  ..F....... [ZBXNEXT-5694] reverted accidentally deleted reference to action
  ..F....... [ZBXNEXT-5694] renamed profile keys for Monitoring->hosts page
  ..F....... [ZBXNEXT-5694] fixed issue with Monitoring->Hosts page refresh having "Or" set in tag filter
  A......... [ZBXNEXT-5694] removed unused code
  ..F....... [ZBXNEXT-5694] fixed tag filter order to be always consistent
  ..F....... [ZBXNEXT-5694] fixed default value for maintenance checkbox, if not present in GET with filter_set
  ..F....... [ZBXNEXT-5694] used CSeverityCheckBoxList to create severity checkbox list
  ...