Allow fetching of both processed and unprocessed results
Allow fetching of both processed and unprocessed results

Update filename_url_pairs() to use the link to the preprocessed
CSV results from GitHub, if available.

Return the unprocessed PDF URLs via unprocessed_filename_url_pairs().

Addresses https://github.com/openelections/core/issues/125

cathydeng/openelections-core,cathydeng/openelections-core,datamade/openelections-core,datamade/openelections-core,openelections/openelections-core,openelections/openelections-core