Fix linters

bin/reflection-linter

circle.yml

docs/developers-guide.md

project.clj

src/metabase/driver/druid/query_processor.clj

src/metabase/driver/generic_sql/query_processor.clj

src/metabase/events/activity_feed.clj

src/metabase/events/dependencies.clj

src/metabase/events/last_login.clj

src/metabase/events/notifications.clj

src/metabase/events/revision.clj

src/metabase/events/sync_database.clj

src/metabase/events/view_log.clj

src/metabase/task/send_pulses.clj

src/metabase/task/sync_databases.clj