Changed model of white_cards and entries for M2M table.
adding migration for entries_white_cards
Changed tables to support entries that have more than one blank.
Fix number 2
Author: Cole and Neilson
Commit: Rename Playa email to user
Update db schema
Subject: Merge with Will
Author: Cole, Neilson, Chuck
Commit: Change references from white_card to white_cards.