Merge branch 'master' of https://github.com/metabase/metabase into multi-metrics-proto

docs/users-guide/11-metabot.md

frontend/src/metabase/components/Logs.jsx

frontend/src/metabase/components/Logs.spec.js

frontend/src/metabase/lib/dom.js

frontend/src/metabase/lib/query.js

frontend/src/metabase/meta/types/Visualization.js

...tend/src/metabase/qb/components/actions/PivotByAction.jsx

frontend/src/metabase/qb/lib/actions.js

.../src/metabase/visualizations/components/Visualization.jsx

...nd/src/metabase/visualizations/lib/LineAreaBarRenderer.js

...end/src/metabase/visualizations/visualizations/Scalar.jsx

...test/unit/visualizations/components/Visualization.spec.js

resources/frontend_client/init.html

src/metabase/api/common/internal.clj

src/metabase/api/database.clj

src/metabase/api/embed.clj

src/metabase/api/field.clj

src/metabase/api/ldap.clj

src/metabase/db.clj

src/metabase/models/database.clj