Zabbix

.......PS. [ZBX-17848] fix fping interval detection, add log prints of detected options in debug mode, re-detect options every hour

(cherry picked from commit aabd3b83a4f10098741350253977fe82d6eb54f2)

Fixed conflicts:
	src/libs/zbxicmpping/icmpping.c

(cherry picked from commit cdb055b16c32bcdc1b7645cd97cd543426b9b2cf)