Add support for journal series.
Remove affixes for journal series.

The note and bibliography are now treated in the same way, even if this
is more awkward.
Move collection-title for books in note back to original location.
Fixed minor slip-up.
Separated macros for journal and book series.
Always title-case the book series.

The edge-case that I was thinking of for this not being desirable is so
unusual that it’s worth working around with language settings.
Merge pull request #886 from adunning/master

Add support for journal series in CMoS.