Added UserTeam core models (team and m-t-m relationships) and updated other models

db/migrate/20121220064453_create_user_team_user_relationships.rb

@@ -0,0 +1,12 @@
+class CreateUserTeamUserRelationships < ActiveRecord::Migration
+  def change
+    create_table :user_team_user_relationships do |t|
+      t.integer :user_id
+      t.integer :user_team_id
+      t.boolean :group_admin
+      t.integer :permission
+
+      t.timestamps
+    end
+  end
+end