handle tabs in rndc commands; remove redundant strcmp() calls; remove obsolete commentary
handle tabs in rndc commands; remove redundant strcmp() calls;
remove obsolete commentary

each/bind9-collab,pecharmin/bind9,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,pecharmin/bind9,each/bind9-collab,each/bind9-collab,each/bind9-collab,pecharmin/bind9,pecharmin/bind9,each/bind9-collab