Fix docs links, small text changes (#10613)

docs/administration-guide/13-embedding.md

docs/administration-guide/start.md

docs/enterprise-guide/authenticating-with-saml.md

docs/enterprise-guide/customizing-drill-through.md

docs/faq.md

docs/information-collection.md

docs/operations-guide/configuring-application-database.md

docs/operations-guide/migrating-from-h2.md

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

...operations-guide/running-metabase-on-elastic-beanstalk.md

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

docs/operations-guide/upgrading-metabase.md

docs/troubleshooting-guide/docker.md

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

src/metabase/db.clj

src/metabase/util/encryption.clj