added hour and quarter aggregation support for dense matrix, fix for UTC timestamps in data explorer
responding with original query in /api/master, updated API docs
fixed broken csv download for api/master, updated api docs
updated api/master docs with obs_date__le and obs_date__ge
implemented dense matrix for /api/detail-aggregate/ endpoint, updated docs #76
updated docs for /api/detail-aggregate/
Merging master back into weather_redux
Reflecting schema changes in update steps