Feat: updated hive.go (#729)

* Feat: updated hive.go

* Feat: started refactoring parsing of entities

* Feat: first changes due to hive.go new marshaling logic

* Feat: fixed MessageMetadata

* Feat: fixed Approver

* Feat: updated MissingMessage

* Feat: started updating first branch models

* Feat: ported ConflictSet

* Fix: fixed bug with Conflict

* Fix: fixed some issues

* Fix: fixed branchmanager refactor

* Feat: refactored payload marshaling

* Feat: finished reworking PayloadMetadata

* Feat: finished refactoring PayloadApprover

* Fix: fixed some more models

* Feat: fixed some more issues

* Fix: one model left :P

* Fix: fixed last model

* Feat: fixed test

* Fix: fixed unused var bug due to debug

* Feat: fixed something in faucet payload

* Fix: fixed some issues

* Fix: fixed a bug in the refactor

* Feat: added debug output if error in drng test

* 

 Update drand docker image

Co-authored-by: Hans Moog <hm@mkjc.net>
Co-authored-by: capossele <angelocapossele@gmail.com>