Merge branch 'master' of https://github.com/PecanProject/bety

Updated production_structure.sql file.

In the query method of the base controller for the beta api, add Trai…

…tsAndYieldsView to the list of models for which the all_limited method is used in deciding what to return to the user.

Treat empty cells in the notes column of a bulk-upload CSV file as

empty strings, not NULLs (GitHub issue PecanProject#485).

Updated production_structure.sql file.

Updated production_structure.sql file.

Updated production_structure.sql file.

If there are multiple traits per row, create an anonymous entities fo…

…r each row

if the CSV file doesn't have an entity column.

Updated production_structure.sql and test_structure.sql.

Updated production_structure.sql and test_structure.sql.