Zabbix

A.F....... [ZBX-15416] fixed locale validation in user create and update API methods

* commit 'd277d1ba27397bb9d6263e8c12ee6ac8b1b6a6ef':
  .......... [ZBX-15416] added newline at the end of .gitattributes file to pass Zabbix coding convention
  .D........ [ZBX-15416] fixed changelog
  A.F....... [ZBX-15416] fixed locale validation in user create and update API methods
  .......... [ZBX-15416] updated PHP doc for initLocales()
  ..F....... [ZBX-15416] replaced CApiUser by array of default language; removed definition of unused locale variable for CWebUser
  ..F....... [ZBX-115416] fixed translation string
  ..F....... [ZBX-15416] implemented CApiUser to fix undefined index error when initialize locale on windows hosted Zabbix
  A.F....... [ZBX-15416] fixed validation of user language; removed code of unexisting function call
  .......... [ZBX-15416] created development branch