Check_MK Werk 5845: fsc checks: prevent fsc_fans and fsc_temp if corresponding fsc_sc2-* data is available, made snmp_scan_functions more readable

ID: 5845 Title: fsc checks: prevent fsc_fans and fsc_temp if corresponding fsc_sc2-* data is available, made snmp_scan_functions more readable Component: Checks & agents Level: 1 Class: Bug fix Version: 1.6.0i1 * fsc_fans and fsc_temp do not discover services anymore, if corresponding fsc_sc2_* data is available. * snmp_scan_functions were made more readable using functions in fsc.include