add link README -> README.md to be conform to the gnu standarts (http://stackoverflow.com/questions/15013672/use-autotools-with-readme-md)
add link README -> README.md to be conform to the gnu standarts (http://stackoverflow.com/questions/15013672/use-autotools-with-readme-md)

vitlav/libnatspec,vitlav/libnatspec,vitlav/libnatspec,vitlav/libnatspec