CPPLapack Code

*halfway development of dssmatrix

*a few bug fix for copy constructor of smart temporary classes
*some modification of dssmatrix (not yet included in cpplapack.h)

dssmatrix was renamed to dgsmatrix.
(zgsmatrix is under construction.)

added dssmatrix::stretch function

small modification of dssmatrix functions

Row and Col were added in dssmatrix for faster search of (i,j) component

add dssmatrix constructor from dgematrix

add "void unique()" for dssmatrix
a few tiny modifitation on dssmatrix

just a small bug fix of dssmatrix.

The trunk cpplapack source code was added.