Remove all compile time constraints on the element type from the dense matrix specialization of the 'StrictlyUpperMatrix' class template
Remove all compile time constraints on the element type from the dense matrix specialization of the 'StrictlyUpperMatrix' class template

ironm73/blaze-lib,amaniak/blaze-lib,lsalamon/blaze-lib,amaniak/blaze-lib,byzhang/blaze,nyotis/blaze-lib,nyotis/blaze-lib,lsalamon/blaze-lib,ironm73/blaze-lib,byzhang/blaze,lsalamon/blaze-lib,ironm73/blaze-lib,amaniak/blaze-lib,nyotis/blaze-lib,byzhang/blaze