Merge branch 'hotfix/v2.3.1' into develop
Deployment script uses ssh alias instead of direct host name

- deployer needs to configure specific host alias to get deployment script to work
- gives more configuration options than direct host.domain pattern
Updating readme with simple reminder how to deploy.
Merge branch 'master' into develop
removed improper usage of schema :limit option.
Merge branch 'release/v2.3.4'