Added test coverage for topic gathering

Two new tests added to check that scraper works when Topics (Chicago) or Indexes (Philly)
are present and not present for legislation.
Merge pull request #11 from notthatbreezy/master

Added config setting for grabbing sponsors
added oakland
Merge pull request #12 from notthatbreezy/indexes

Added test coverage for topic gathering
update tests for topics
Add topic (index) parsing back in, and update the tests