Added persistence to pool placement and pool order

db/migrate/20190306123306_add_pool_placement_to_wrestler.rb

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+class AddPoolPlacementToWrestler < ActiveRecord::Migration[5.2]
+  def change
+  	add_column :wrestlers, :pool_placement, :integer
+  end
+end

db/migrate/20190306130453_add_pool_placement_tiebreaker_to_wrestler.rb

@@ -0,0 +1,5 @@
+class AddPoolPlacementTiebreakerToWrestler < ActiveRecord::Migration[5.2]
+  def change
+  	add_column :wrestlers, :pool_placement_tiebreaker, :string
+  end
+end

db/migrate/20190419142230_set_pool_placement_for_existing_tournaments.rb

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+class SetPoolPlacementForExistingTournaments < ActiveRecord::Migration[5.2]
+
+  def change
+
+  	Tournament.all.each do | tournament |
+      tournament.weights.each do | weight |
+        for pool in (1..weight.pools) do
+          if weight.all_pool_matches_finished(pool)
+            PoolOrder.new(weight.wrestlers_in_pool(pool)).getPoolOrder
+          end
+        end
+      end
+    end
+
+  end
+
+end