Creating generic route for daily; default format .csv.
Simplifying controller as all daily value files will be the same (except the header).
Add "has_data" scope and csv headers.
Add code to search for available daily data values.
Splitting date and time in .csv file.
Don't need html views.
Merge branch 'use-jbuilder-to-create-the-json-endpoints' into add_downloads
Turn caching off during development.
Setting .json as default format.
Defining daily tables as derived_variables; adding the has_many associations for these variables in the site model.
Reverse order in DERIVED_VARIABLES.
Adding search capability for derived_values (daily products); added pretty_name concern and then updated daily value models.
Add a filename for csv export.
Order daily data by site id.
Switch position of relative humidity in list.
Switch position of relative humidity in DERIVED_VARIABLES.
Continuing to update how we provide data for the daily values .csv file.
Removing commented DERIVED_VARIABLES
Update csv_headers
Change date format.