Code review comment for lp:~adiroiban/launchpad/bug-427319

Btw, nice refactoring Adi. Thanks for doing it! It'd be nice to move it even farther where we register only a single view (SeriesLanguageView) for all ISeriesLanguage-implementing objects (note, this interface doesn't exist yet :), but let's leave that for some other time :)

Also, now that these views are unified, it makes sense to also unify the view tests: i.e. I believe mostly setUp method would have to be changed to accommodate different ways to construct distroserieslanguages and productserieslanguages, but that would make it easy to extend these views to sourcepackagelanguage and projectlanguage views in the future.