CPPLapack Code

*modification of read functions
*organize small matrix files

*fix write functions again.

*bug fix for write functions.
*remove CPPL::min and CPPL::max functions, and replace them to std::min or std::max.

*std::ofstream CPPL::ofs was added to control output format of write fnctions.

a little modification of dssmatrix

*bug fix on dsymatrix::set function. Thanks, Hui Li!!
*change the return object type of zero,initialize,and set functions
to enable quick initialization like ...
const dgematrix A(dgematrix(3,3).zero().set(1,1,x));

The trunk cpplapack source code was added.