Aggregate sources on actions (which get used on their embedded votes)
Allow get_instance to be a normal function or a generator (so BillAdapter.get_instance can yield the bill and associated votes)
Fix spelling error
Allow extra data to be passed into get_instance
pupa conversions for Bill, Vote and action data
Lowercase the options for classifications
All jxn configs require a classification--added it for NYC
Added custom vote conversion function for NYC
Added possible fix for Maricopa bill query
Merge branch 'master' of github.com:opencivicdata/python-legistar-scraper