Merge pull request #1852 from metabase/more-dox-2

src/metabase/api/common.clj

src/metabase/api/common/internal.clj

src/metabase/driver.clj

src/metabase/email/messages.clj

src/metabase/query.clj

src/metabase/util/quotation.clj

test/metabase/api/notify_test.clj

test/metabase/http_client.clj

test/metabase/test_setup.clj