Brought the filter analytics more in line with what we're doing on the iOS app.
Gave hours and building list filters meaningful values (for analytics purposes)
Set analytics up to report on selects in the filters, with some unfortunate special logic around buildings.
Made it so hours/day filter dropdowns aren't sent to google analytics if open_now is selected. With the exception of testing against actual GA, this fixes SPOT-1331.
Merge branch 'filter_analytics'