upstream
fix ALL of the preview jank as well as some legitimate consumer page
styles
fix messed up src from merge conflict
more feed src stuff
app group previews, fix collection app name preview (bug 1049139)
downstream
downstream
fix minor preview sidebar styling issues
implement listing collections to spec (bug 1049209)
publish the unpublish button (bug 1035455)
Merge pull request #51 from spasovski/yaypublish

publish the unpublish button (bug 1035455)
fix toggling of opshelf publish/unpublish stuff (bug 1035455)
remove bg color from listing coll (bug 1049778)
tweak slug autofill (bug 1049191)
Merge pull request #52 from spasovski/prefillfix

tweak slug autofill (bug 1049191)
fix missing slugify (bug 1049858)
Seed the random color class used by editorial brands (bug 1049034).