Merge branch 'master' of https://github.com/metabase/metabase into migrate-karma-to-jest

.gitignore

...eb-docker/.ebextensions/metabase_config/metabase-setup.sh

bin/ci

bin/config.json

bin/docker/run_metabase.sh

bin/osx-release

bin/osx-setup

bin/version

docs/administration-guide/10-single-sign-on.md

docs/administration-guide/images/authentication.png

docs/administration-guide/images/ldap-attributes.png

docs/administration-guide/images/ldap-form.png

docs/administration-guide/start.md

docs/developers-guide-osx.md

docs/developers-guide.md

docs/operations-guide/running-metabase-on-heroku.md

docs/operations-guide/start.md

docs/troubleshooting-guide/email.md

docs/users-guide/03-basic-exploration.md

docs/users-guide/04-asking-questions.md