Run "make update-copyright" and then...
* gnulib: Update to latest with copyright year adjusted.
* tests/init.sh: Sync with gnulib to pick up copyright year.
* bootstrap: Likewise.
Run "make update-copyright" and then...
* gnulib: Update to latest with copyright year adjusted.
* tests/init.sh: Sync with gnulib to pick up copyright year.
* bootstrap: Likewise.
* src/cmp.c: Don't include exit.h; no longer needed.
* src/diff.c: Likewise.
* src/sdiff.c: Likewise.
* src/dir.c: Don't include strcase.h; no longer needed.
* README-alpha: Remove, replacing with:
* README-hacking: New file, taken from coreutils with some changes.
The rename is required by the change to 'bootstrap'.