change post title type
Merge branch 'release/v2.5.0'

* release/v2.5.0:
  change post title type
change text presence validation logic
add sortings to posts
Merge branch 'feature/remove_presence_validation_from_post_text' into develop

* feature/remove_presence_validation_from_post_text:
  add sortings to posts
  change text presence validation logic
lock posts show
Merge branch 'release/v2.6.0'

* release/v2.6.0:
  lock posts show
  add sortings to posts
  change text presence validation logic
add pry
fix tests
Merge branch 'hotfix/fix_post_locking'

* hotfix/fix_post_locking:
  fix tests
  add pry