Fix: sync command with refactoring changes
Cleaning unused functions
Refactoring: pks/add now using stream style
Refactoring: hdc/amendments/votes (POST) now using stream style
Fix: pks/add: should return HTTP 400 on update fail
Refactoring: transactions/process now using stream style
Refacotring: peering/peers (POST) now using stream style
Refactoring: peering/forward now using stream style
Refactoring: peering/status now using stream style
Refactoring: wallet (POST) now using stream style
Refactoring: community/members (POST) now using stream style
Refactoring: community/voters (POST) now using stream style
Refactoring: amendment/flow (POST) now using stream style