refactor: Remove unnecessary (trace) logging
feat: implement bounty details page

[Finishes #66640316]
tests: add TestBountyChange & fix broken tests (username, fixtures)
fix(views): properly get initial values in change bounty view
feat: implement nested comments in details page

[Finishes #66558204]
fix: typo in logging settings
tests(bounty): update the correct redirect url after creation
Merge branch 'master' of git://github.com/bountyful/bountyfulcoins into post_details
Merge pull request #4 from asfaltboy/post_details

Implemented feature: Bounty details page and comments