Upgrade some of the "warning" rules to "fatal"
Upgrade some of the "warning" rules to "fatal"

These reflect the May 2017 version of the rules. Explicitly:
A6, A7, A8, A9, A10, A11, A14, A15, A22, A23, A25, A26, A27, A29, A34, B14,
B15, B20.

fedspendingtransparency/data-act-broker-backend,fedspendingtransparency/data-act-broker-backend