* Declared daxpy as double precision throughout Fortran code.
* Updated simulation code to work with new R standards
* Updated documentation and vignette to comply with new R standards.



git-svn-id: svn://svn.r-forge.r-project.org/svnroot/blupsurv@11 edb9625f-4e0d-4859-8d74-9fd3b1da38cb