add check_proc_zabbixagent and check_proc_zabbixserver functions

scripts/install

@@ -409,3 +409,8 @@ systemctl reload php7.0-fpm
 # Reload SSOwat config
 yunohost app ssowatconf
 
+#test if zabbix server is started
+check_proc_zabbixagent
+
+#test if zabbix agent is started
+check_proc_zabbixserver