check_snmp_raid: added synology controller type to set_oids(). Modiied declaration of variables used in set_oids so that each one is is set to undef and properly commented.
check_snmp_raid: added code_to_nagiosstatus() function. added %cardtype_map array to handle all the different card types in a better way
check_snmp_raid: added --label option that allows to set custom label (what plugin status begins with) and replaced use of print_output() with print_and_exit() function
check_snmp_raid: added checking additional controller status tables and re-ordered results output at the very end
check_snmp_raid: refactoring of old loops (check physical drives 2nd loop and check logical drives) to use code_to_nagiosstatus and code_to_description and cleaning up logic of those loops in general. maybe small incompatibilities for those still using this for old megaraid checks
check_snmp_raid: updated help text and changelog