add 1.9 docs

Update 01-Getting-Started.md

spelling errors

Hotfix non-management servers assuming management server roles.

Merge pull request prisma#2391 from graphcool/cluster_backwards_compa…

…tibility

Reintroduce /cluster for backwards compatibility

cli: fix tests

fix(cli): create backup when migrating prisma.yml

cli: provoke rebuild

Merge pull request prisma#2272 from graphcool/postgres-fix

PostgreSQL connector fixes & cleanup

fix(deps): update graphql-cli

fix(cli): re-activate existing db dialog