Merge branch 'master' into data-reference

docs/users-guide/04-visualizing-results.md

project.clj

src/metabase/api/session.clj

src/metabase/driver/postgres.clj

src/metabase/email.clj

src/metabase/util/honeysql_extensions.clj

test/metabase/api/activity_test.clj

test/metabase/api/field_test.clj

test/metabase/api/pulse_test.clj

test/metabase/api/session_test.clj

test/metabase/api/setup_test.clj

test/metabase/api/table_test.clj

test/metabase/api/user_test.clj

test/metabase/driver/postgres_test.clj

test/metabase/middleware_test.clj

test/metabase/test/data/users.clj

test/metabase/test/util.clj

test/metabase/test_setup.clj