Merge branch 'hotfix/fix_post_locking'

* hotfix/fix_post_locking:
  fix tests
  add pry
Merge branch 'release/v2.7.0'

* release/v2.7.0:
  remove email from required
  remove mailer
  add su
Merge branch 'release/v2.8.0'

* release/v2.8.0:
  use env vars for credentials
  add auditable fields to posts
  add useful scopes
Merge branch 'release/v2.8.1'

* release/v2.8.1:
  sort posts by title
fix sortings
remove useful scopes
Merge branch 'hotfix/v2.8.2' into develop

* hotfix/v2.8.2:
  remove useful scopes
  fix sortings