resize() of a submatrix

Consider the following example:

#include <blaze/Math.h>

int main(int, char **)
{
    using namespace blaze;
    blaze::DynamicMatrix<double> m(5, 5);
    auto s = submatrix(m, 0, 0, 3, 3);
    resize(s, 3, 3);

    return 0;
}

The code above produces a compilation error:

$ clang++ test.cpp
In file included from test.cpp:1:
In file included from /usr/local/include/blaze/Math.h:46:
In file included from /usr/local/include/blaze/math/Band.h:50:
In file included from /usr/local/include/blaze/math/views/Band.h:54:
/usr/local/include/blaze/math/expressions/Matrix.h:1033:14: error: no member named 'resize' in 'blaze::Submatrix<blaze::DynamicMatrix<double, false>, blaze::unaligned, false, true>'
   (*matrix).resize( m, n, preserve );
   ~~~~~~~~~ ^

The code above used to work in an older version of Blaze. I think it is reasonable to expect the same behavior of the resize() function for submatrices as for statically-sized matrices.

This issue might be related to ~~#451~~.

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