Totally redoing trades, added a List model, added indexes to everything for super querying
Updated listed_cards table, fixed some model methods which broke after adding List model
Merge branch 'master' of github.com:pschwyter/mtg_json_api into refactor_trades

Conflicts:
	db/schema.rb
	db/seeds.rb
Disabled whereami since google blocked us, updated broken methods related to trades
Fixed exchange_cards method on trades model