Zabbix

.......PS. [ZBXNEXT-4502] added support of full jsonpath functionality

* commit 'e40b4995d877edebae4404ee4056df2b7d9ced72': (61 commits)
  .......PS. [ZBXNEXT-4502] fixed jsonpath expression evaluation when checking for presence of an object or array
  .......PS. [ZBXNEXT-4502] applied patch for adding sum() function support in jsonpath queries
  .......PS. [ZBXNEXT-4502] fixed jsonpath queries for element existance when element value was string
  .......PS. [ZBXNEXT-4502] fixed jsonpath function parsing when compiling jsonpath
  .......PS. [ZBXNEXT-4502] removed duplicated function declaration
  .......PS. [ZBXNEXT-4502] updated replaced deprecated zbx_json_open_path in 4.2 code with zbx_jsonpath_query, fixed merge
  ...G...... [ZBXNEXT-4502] fixed windows build
  .......PS. [ZBXNEXT-4502] renamed zbx_json_path_open() to zbx_json_open_path()
  .......PS. [ZBXNEXT-4502] fixed test case name
  .......PS. [ZBXNEXT-4502] fixed comments
  .......PS. [ZBXNEXT-4502] refactored jsonpath expression evaluation to avoid false positive analyzer warnings
  ...G...PS. [ZBXNEXT-4502] fixed coding style
  ...G...PS. [ZBXNEXT-4502] added more variant comparison test cases
  ...G...PS. [ZBXNEXT-4502] fixed coding style
  ...G...PS. [ZBXNEXT-4502] - changed json static error message buffer to thread local for windows
  ...G...PS. [ZBXNEXT-4502] improved comments
  ...G...PS. [ZBXNEXT-4502] fixed coding style:  * reduced local variable scope  * improved error message
  ...G...PS. [ZBXNEXT-4502] refactored zbx_jsonpath_compile() to avoid touching the output structure if the compilation failed   Also fixed various coding style issues.
  ...G...PS. [ZBXNEXT-4502] fixed memory leak
  ...G...PS. [ZBXNEXT-4502] fixed coding style:  * reduced local variable scope  * use sizoef instead of 4 when copying integer variable contents  * fixed comments
  ...

(cherry picked from commit 8ceddc49ebcb31e1be87dd1a948b9f827615b1db)