stop using 'apply' rather than map

Ah, yes, last legacy of a phase when I thought apply was a newer, kinder,
better map...
Sort contributors and stopwords; try to not clobber existing $config slots
DRY things up a bit :)
rework our .travis.yml
Revert "drop some cruft from .travis.yml"

This reverts commit bfea2081a13db9df7e31a4f4e975c1c4a76c2356.

For some reason, travis now complains again if we don't set user.name and
user.email explicitly...?!

Conflicts:
	.travis.yml
nit! additional comments
aaaaaand apparently git really wants it to be global, too (travis config)
v0.012

	* properly generate our stopwords list
Full build of CPAN release 0.012