Use joins instead of having a separate entity for processed_stories
Delete commented out entity.
Merge branch 'master' of github.com:berkmancenter/mediacloud
Rename access point api/v2/wc/ ==> api/v2/wc/list
Add api/v2/wc access point.
Add initial version of stories/put_tags
Refactor so that code can be shared with sentences/
Refactor.
Refactor.
Add story_sentences_tags_map table.
Revert "Add story_sentences_tags_map table."

This reverts commit 8a76453a6e6b8793e127ab1d1e8b91a8140dcfb5.
Add story_sentences_tags_map table.
Merge branch 'master', remote-tracking branch 'origin' into api_v_2_0