Fix several comments in the nested 'RowIterator' and 'ColumnIterator' classes of the dense numeric specialization of the 'SymmetricMatrix' class template
Fix several comments in the nested 'RowIterator' and 'ColumnIterator' classes of the dense numeric specialization of the 'SymmetricMatrix' class template

gnzlbg/blaze-lib,nyotis/blaze-lib,honnibal/blaze-lib,ceramos/blaze-lib,wdv4758h/blaze-lib,byzhang/blaze-lib,amaniak/blaze-lib,davidebaltieri31/blaze-lib,davidebaltieri31/blaze-lib,dylanede/blaze-lib,ironm73/blaze-lib,nyotis/blaze-lib,dylanede/blaze-lib,honnibal/blaze-lib,honnibal/blaze-lib,dorofiykolya/blaze-lib,byzhang/blaze-lib,wsavoie/blaze-lib,byzhang/blaze,ironm73/blaze-lib,wsavoie/blaze-lib,wdv4758h/blaze-lib,wdv4758h/blaze-lib,yzxyzh/blaze-lib,ironm73/blaze-lib,benjamingr/blaze-lib,dylanede/blaze-lib,lsalamon/blaze-lib,yzxyzh/blaze-lib,amaniak/blaze-lib,lsalamon/blaze-lib,yzxyzh/blaze-lib,ceramos/blaze-lib,wsavoie/blaze-lib,Manu343726/blaze-lib,ColinGilbert/blaze-lib,benjamingr/blaze-lib,nyotis/blaze-lib,byzhang/blaze,amaniak/blaze-lib,Manu343726/blaze-lib,Manu343726/blaze-lib,lsalamon/blaze-lib,ceramos/blaze-lib,gnzlbg/blaze-lib,benjamingr/blaze-lib,dorofiykolya/blaze-lib,ColinGilbert/blaze-lib,byzhang/blaze-lib,davidebaltieri31/blaze-lib,byzhang/blaze,ColinGilbert/blaze-lib,dorofiykolya/blaze-lib,gnzlbg/blaze-lib