Zabbix

A......... [ZBXNEXT-1898] implemented strong cryptography for encoding frontend passwords

* commit '4f94c93e5d170fff84b68bd8619aa4dd6eac7ec6':
  .......... [ZBXNEXT-1898] fixed Selenium test, changed password hash
  A......... [ZBXNEXT-1898] removed useless array keys from createSession() method call; made this method static
  .......... [ZBXNEXT-1898] fixed dbupgrate after resolved conflicts
  A......... [ZBXNEXT-1898] removed password from sid calculation
  A......... [ZBXNEXT-1898] used "static" keyword for verifyPassword() function
  A......... [ZBXNEXT-1898] added type hinting for second argument of verifyPassword() function
  A......... [ZBXNEXT-1898] fixed parameters order in hash_equals() function
  A......... [ZBXNEXT-1898] fixed PHPDoc of the verifyPassword method
  A......... [ZBXNEXT-1898] renamed method to verifyPassword
  A......... [ZBXNEXT-1898] removed trailing spaces
  A......... [ZBXNEXT-1898] implemented strong cryptography for encoding frontend passwords