* util/grub-script-check.c: Fail on scripts containing no
commands, to guard against corrupted grub-mkconfig setups that
produce no useful output.
* tests/grub_script_no_commands.in: New test.
* Makefile.util.def (grub_script_no_commands): Add.
Reported by Hans Putter.  Fixes Debian bug #713886.
* .bzrignore: Update with a number of new test-related files.
[git importer: converted .bzrignore to .gitignore]