Removed vestigial property

YearQuarterModel included a WhichClass property which was not
being used anywhere.
Incremented version
Updated libraries include whitespace changes

I'm not sure when these libraries were updated via NuGet, but the
whitespace modifications didn't show up until after I'd created a
new feature branch.
Added SSL setting to SMTP config

To reflect typo fixed in QA.
Merge branch 'rc-v3.4' into dev