Zabbix

A.F....... [ZBXNEXT-6376] implemented support of negative filtering for tags

* commit '2bd03d0cff8df4c1ff558358203090081ad61591': (30 commits)
  .......... [ZBXNEXT-6376] fixed old framework tests code lines
  .......... [ZBXNEXT-6376] removed comments from autotest
  ..F....... [ZBXNEXT-6376] fixed tag operation field enabling/disabling in graph widget
  ..F....... [ZBXNEXT-6376] removed values from tabfilter generated URL when tag values are not used
  .......... [ZBXNEXT-6376] fixed graph widget autotest
  .......... [ZBXNEXT-6376] fixed autotests with tags
  .......... [ZBXNEXT-6376] fixed api test's data
  A......... [ZBXNEXT-6376] fixed typos; removed unneeded logic
  ..F....... [ZBXNEXT-6376] fixed SQL formatting
  A......... [ZBXNEXT-6376] fixed typo
  .......... [ZBXNEXT-6376] added unit tests
  .......... [ZBXNEXT-6376] added test with 2nd level template tag
  A......... [ZBXNEXT-6376] fixed template tag inheritance
  .......... [ZBXNEXT-6376] fixed tests
  A......... [ZBXNEXT-6376] fixed tag grouping by name
  A......... [ZBXNEXT-6376] fixed grouping by values in api tag helper; fixed coding style
  A......... [ZBXNEXT-6376] fixed undefined index error
  .......... [ZBXNEXT-6376] added tests convering multiple api methods using filtering by tags
  .......... [ZBXNEXT-6376] fixed API test
  ..F....... [ZBXNEXT-6376] fixed coding style
  ...