Zabbix

A......... [ZBX-16749] improved performance and memory consumption of script.getscriptsbyhosts() method

* commit '483f0fa14f64d7ae1824833ff7a724cf5f428220':
  .D........ [ZBX-16749] added ChangeLog entry
  A......... [ZBX-16749] fixed undefined variable
  A......... [ZBX-16749] coding style fix
  A......... [ZBX-16749] fixed performance of the script.getScriptsByHosts() method with large amount of host groups
  A......... [ZBX-16749] fixed performance of the script.getScriptsByHosts() method
  A......... [ZBX-16749] fixed coding style issues discovered during code review