Merge branch 'mt-47-5' of https://gitlab.syncad.com/hive/hivemind into mt-47-5

hive/db/schema.py

hive/indexer/blocks.py

hive/indexer/posts.py

hive/indexer/sync.py

hive/indexer/votes.py

hive/server/common/payout_stats.py

hive/server/condenser_api/tags.py

hive/server/hive_api/stats.py

hive/steem/client.py

tests/tests_api