Change screen.c to screen.cxx as it's needed by autotools
Add new files needed by autotools
Delete autogenerated file
Remove Makefile, as it will be generated by autotools
Add configure.ac and Makefile.am to be able to compile using autotools
Add generate files by autotools

As it says to add the GNU license ...
Move sources to src dir
Adding a Makefile.am inside src to be ablr to compile sources there
Add last few files that autotools neeeds to compile things
Added check in autotools for ncurses lib

Also, remove a lot of generated configuration not needed