Fixed method that invoices are created. Invoices are still not working.
Updated invoice template to include multiple purchases per invoice [MS-621]
Correctly display the redemption uid, rather than displaying the transaction id twice
Fixed inheritence
Merged a bunch of migrations and fixed postajob migration 0004 so it will run properly
Removed print statement
Corrected typo
Merge pull request #740 from DirectEmployers/migration-fixes

Migration fixes