Fix token-auth path in urls.py

Ghost Userrequested to merge
fix/token-auth into master

Closes ThaliApp#117

Previous behaviour

Steps to reproduce:

  1. Try a call to <url>/api/v1/token-auth/
  2. Does not work

New behaviour

Steps to validate that it works:

  1. Try a call to <url>/api/v1/token-auth/
  2. Works fine

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