Zabbix

...G...... [ZBXNEXT-287] added SSL support for agent HTTP checks

* commit '63c0ee2c0154255ad9e3cec9115d72e29a03a50e':
  .......... [ZBXNEXT-287] fixed compiler warnings related to function prototypes
  .......... [ZBXNEXT-287] removed extra empty line
  .......... [ZBXNEXT-287] fixed zbxsysinfo/process.yaml test cases to use proper keys for web.page.perf and web.page.regexp
  .......... [ZBXNEXT-287] updated tests to cover new WEB_PAGE_GET implementation
  ...G...... [ZBXNEXT-287] fixed error message in case of empty host
  ...G...... [ZBXNEXT-287] fixed scheme and userinfo detection in URL, added punycode conversion for host parameter
  ...G...... [ZBXNEXT-287] fixed IPv6 support for implementation without libcurl; coding style improvements
  ...G...... [ZBXNEXT-287] removed unnecessary string duplication
  ...G...... [ZBXNEXT-287] restored URI prohibit characters check and minor fixes
  ...G...... [ZBXNEXT-287] added SSL support for agent HTTP checks
  .......... [ZBXNEXT-287] created new development branch

(cherry picked from commit d2ff43d795ef03b228af843daba9f5af3872c062)