Rebase to current develop. Tests rebased to current master

.gitlab-ci.yaml

hive/db/db_state.py

hive/db/schema.py

hive/db/sql_scripts/update_follow_count.sql

hive/indexer/accounts.py

hive/indexer/blocks.py

hive/indexer/follow.py

hive/indexer/sync.py

hive/utils/normalize.py

mock_data/block_data/follow_op/mock_block_data_follow.json

tests/tests_api