Update target offices

Add the agriculture comissioner to our target offices and add
the state senate offices to the list of offices that will have
a district.

Add logging messages for skipped offices to make sure our list is
complete.

Addresses #86
Add Florida offices to fixture

First pass at adding Florida offices.  I need to double-check
these with someone with more domain knowledge as well as against
the loaded data.

Addresses #86, #91