[ABW]: merge with latest develop

hive/db/schema.py

hive/db/sql_scripts/bridge_get_account_posts_by_blog.sql

hive/db/sql_scripts/condenser_get_discussions_by_blog.sql

hive/db/sql_scripts/db_upgrade.sh

hive/server/bridge_api/methods.py

hive/server/condenser_api/methods.py

hive/server/hive_api/notify.py

hive/server/tags_api/methods.py

mock_data/block_data/reblog_op/flow.txt

mock_data/block_data/reblog_op/mock_block_data_reblog.json

scripts/ci/hive-sync.sh

scripts/ci_sync.sh

tests/tests_api