Added related_name to both OutstandingToken as well as BlacklistedToken

[tpotjj]

Not a huge change, but this would make the reverse relation reference easier from both the user perspective as well as the OutstandingToken perspective:

user.outstandingtoken_set becomes user.outstanding_tokens

The same for the BlacklistedToken

[tpotjj]

@Andrew-Chen-Wang Ready for review.

[Andrew-Chen-Wang]

this is a breaking change. also requires a new migration

breaking change will need to wait for new major version

[tpotjj]

@Andrew-Chen-Wang do I need to make those migrations? Or is that something that happens throughout the release of a new major version?
And is there anything else I need to do?

[Andrew-Chen-Wang]

need new migration