new switch calculations; added healthy switches, then removed them; bug fixes: reversed months,
fixed participation in company details, fixed totals next to chart to be for all active months,
fixed missing case for size categories in template, excluded subteams from overall rankings, included
subteam parents in overall rankings
Merge branch 'dev' of https://github.com/greenstreetsinitiative/checkin into dev
Change wording on welcome page
Added explanatory text
Merge branch 'dev'